At first glance, a $59,000 home sounds almost impossible to ignore.

Then you see this one.

Built partially into the earth, surrounded by concrete and stone, and filled with unusual architectural details, this underground home in Armington, Illinois, looks unlike almost anything else on the market.

Its curved passageways feel more like the interior of a cave than a conventional house.

Round windows interrupt heavy walls.

Natural stone appears throughout the interior.

Even the bathtub sits within a dramatic stone-covered setting that looks as though it belongs in an underground retreat.

And there’s a personal story behind many of those rocks.

According to the property’s story, they were collected during family trips to Colorado and brought back to Illinois to become part of the home.

But before anyone sees the $59,000 asking price and starts imagining the ultimate bargain, there’s something important to understand.

This house isn’t finished.

A new owner would be taking on much more than an unusual home.

They’d also be taking on a renovation project.

And with a property this unconventional, the purchase price could be only the beginning.

A House Built Into the Illinois Earth

The home dates to 1977.

It was built by Andy “Caveman” Davis, whose unusual nickname seems particularly appropriate once you see the property.

His idea wasn’t simply to build something strange.

There was a practical concept behind the design.

By using the surrounding earth as part of the structure, Davis hoped to help moderate indoor temperatures and reduce energy costs.

Earth-sheltered architecture is based on a relatively straightforward principle: soil surrounding portions of a building can buffer the interior from rapid outdoor temperature changes.

Instead of having every exterior wall fully exposed to summer heat and winter cold, portions of the structure benefit from the more stable temperature of the surrounding ground.

But Davis’s house became much more personal than a practical energy experiment.

Approximately 2,300 Square Feet of Unconventional Space

The property reportedly offers approximately 2,300 square feet.

That’s substantial space for a home listed at $59,000.

But square footage alone doesn’t explain why the house attracts attention.

Almost every part of it seems to reject the standard formula of suburban residential design.

Straight hallways give way to curves.

Ordinary rectangular windows are joined by circular openings.

Smooth modern finishes compete with rough stone.

The home has a handmade quality that makes it difficult to compare directly with conventional properties.

For some buyers, that would be the attraction.

For others, it could be exactly what makes the house too complicated.

The Rocks Tell Part of the Family Story

One of the most distinctive details comes from Colorado.

According to the home’s history, rocks collected during family trips were eventually incorporated into the property.

That transforms the stonework from decoration into something closer to a family archive.

A conventional homeowner might return from vacation with photographs or souvenirs.

The Davis family apparently returned with pieces of the landscape.

Those stones eventually became part of the walls and interior features of the house.

It’s a detail that would be almost impossible to recreate authentically.

A future owner could renovate the kitchen.

They could change flooring.

They could install new fixtures.

But the personal history embedded in those stones belongs specifically to the family that created the house.

Then There’s the Bathtub

Among the home’s most memorable features is its unusual bathing area.

Rather than placing a standard tub against an ordinary tiled wall, the space is surrounded by stone.

The result looks almost cavern-like.

It’s exactly the sort of feature that will divide potential buyers.

One person may see it and immediately imagine candles, warm lighting and a private underground spa.

Another may start calculating how difficult it would be to renovate.

That’s the nature of highly personalized architecture.

The more distinctive a home becomes, the less likely it is to appeal equally to everyone.

But for the right buyer, that individuality can be precisely the point.

The Round Windows Add Even More Character

Circular windows appear throughout the home’s design.

Again, these aren’t simply decorative choices.

They reinforce the feeling that this isn’t a conventional house hidden underground.

The curves help create a visual language that runs through the property.

Round openings.

Arched passages.

Stone.

Concrete.

Earth.

Instead of trying to disguise the unusual nature of the structure, the design seems to embrace it.

That gives the property an identity many inexpensive fixer-uppers simply don’t have.

The Exterior Is Just as Unusual

From outside, the house doesn’t resemble the typical Illinois residence.

Its concrete construction and earth-covered portions reveal the original idea behind it.

Rather than sitting entirely above the landscape, the home becomes part of it.

That can create a striking effect.

But it also means prospective buyers need to evaluate the property differently from an ordinary wood-framed house.

Underground and earth-sheltered structures introduce their own maintenance considerations.

Water Management Would Be One of My First Questions

This isn’t a claim that this particular property has water problems.

The supplied listing description doesn’t establish that.

But for any underground or earth-sheltered house, a serious buyer should understand how water is managed.

Drainage matters.

Waterproofing matters.

The condition of below-grade walls matters.

Roofing and earth-covered surfaces matter.

A house can look fascinating in photographs while still requiring careful inspection of systems viewers can’t see.

That’s especially important with a structure approaching half a century in age.

The Home Was Built in 1977

A 1977 construction date gives this property another layer of character.

It also means a buyer should investigate what has been updated since then.

Electrical systems.

Plumbing.

Heating and cooling.

Waterproofing.

Drainage.

Windows.

Structural components.

None of those should be assumed to be good or bad based solely on the age of the property.

They need to be evaluated individually.

And because this isn’t a standard house, finding professionals experienced with unusual concrete or earth-sheltered construction could be particularly useful.

Now We Get to the Catch

The $59,000 price is attention-grabbing.

But the house reportedly requires substantial work.

The kitchen is one of the areas that remains unfinished or in need of renovation.

Other interior spaces also require attention.

That changes how the asking price should be interpreted.

This isn’t necessarily a situation where someone pays $59,000, moves in immediately and enjoys an inexpensive underground dream home.

The actual financial commitment could be significantly higher once renovation begins.

How much higher?

The supplied information doesn’t establish that.

And without a detailed inspection and contractor estimates, putting a confident number on it would be speculation.

A Cheap House Can Become an Expensive Project

This is one of the most important lessons when looking at unusual fixer-uppers.

Purchase price and total project cost are two completely different numbers.

Imagine paying $59,000 for the property.

That’s only acquisition.

A buyer may still need to account for renovation, inspections, permits, materials, labor and whatever existing systems require repair or replacement.

And unusual architecture can sometimes make otherwise ordinary renovations more complicated.

A standard replacement window is one thing.

A custom circular opening can be another.

A typical wall is straightforward.

Working with curved concrete or stone may require a different approach.

That’s why the headline price shouldn’t be considered the final price of the dream.

The Kitchen Could Become a Major Transformation

The unfinished kitchen may also represent one of the home’s biggest opportunities.

Instead of inheriting a completed kitchen that clashes with the rest of the architecture, a new owner could design something that works with the house.

Natural wood could complement the stone.

Warm lighting could soften the concrete.

Curved elements might continue the architecture.

Or a buyer could deliberately introduce cleaner modern lines to contrast with the cave-like surroundings.

There are many possibilities.

But every possibility comes with a budget.

The Property Has Potential for Five Bedrooms

The supplied description mentions a potential five-bedroom layout.

The word “potential” is important.

It shouldn’t automatically be interpreted to mean the property currently contains five finished, legally recognized bedrooms.

Bedroom classification can depend on local requirements and the actual configuration of the space.

For a buyer considering the property, the appropriate questions would include how the rooms are currently designated, what work remains and whether proposed bedrooms would satisfy applicable requirements.

Still, approximately 2,300 square feet gives a creative renovator room to work with.

Could It Become a Rental?

The original description also raises the possibility of using the property as a rental.

It’s easy to understand the appeal.

An underground Illinois house with a cave-like interior would certainly be more memorable than an ordinary rental property.

But “interesting rental” and “permitted rental” aren’t necessarily the same thing.

Anyone considering short-term or long-term rental use would need to check local zoning, occupancy, licensing, insurance and other requirements.

The novelty alone doesn’t guarantee that a particular commercial use is allowed—or profitable.

It Could Also Be an Extraordinary Private Home

Perhaps the most natural buyer isn’t an investor at all.

It may be someone who simply wants to live somewhere unusual.

There are people who don’t want white walls, square rooms and a house identical to the one next door.

They want character.

They want a story.

They want something guests remember.

For that person, this property offers something that would be extremely difficult to reproduce from scratch.

Try Building Something Like This Today

That’s another way to look at the $59,000 price.

Don’t ask only:

“What does $59,000 normally buy in Illinois?”

Ask:

“What would it take to recreate a 2,300-square-foot earth-sheltered house with custom curves, stone features and this level of individuality?”

That doesn’t automatically make the listing a bargain.

Renovation could still make it financially unattractive.

But it helps explain why the property can be compelling despite being unfinished.

You’re not merely looking at square footage.

You’re looking at something somebody spent years turning into a personal vision.

Earth-Sheltered Homes Have Real Advantages—and Real Tradeoffs

The concept itself isn’t merely architectural eccentricity.

Using earth around a structure can reduce exposure to outdoor temperature swings.

The surrounding soil provides thermal mass and insulation effects that can contribute to more stable indoor conditions when the building is properly designed.

Earth can also shelter portions of a home from wind.

But none of that means every underground house automatically has low utility bills.

Performance depends on construction quality, insulation, moisture control, ventilation, climate, equipment and many other factors.

So while Davis reportedly built the home partly with energy efficiency in mind, buyers shouldn’t assume current operating costs without seeing actual records.

Natural Light Is Another Important Consideration

One tradeoff with underground architecture can be daylight.

A conventional house may have exterior windows on several sides.

An earth-sheltered structure can have fewer opportunities for large windows depending on how deeply it is built into the terrain.

This property uses unusual round windows and exposed areas to bring in light.

A buyer should still experience the interior in person.

Real-estate photography can make rooms appear brighter than they feel during ordinary daily use.

Some people love the protected, cozy atmosphere.

Others may find it too enclosed.

That’s personal preference.

Ventilation Matters Too

Any home needs good ventilation.

An unconventional structure makes understanding that system especially important.

Kitchens create moisture.

Bathrooms create moisture.

People create moisture simply by living inside a building.

An underground home needs a strategy for moving air and controlling humidity just like any other residence.

Again, that isn’t evidence of a defect here.

It’s simply something a careful buyer should evaluate rather than being distracted entirely by the home’s unusual appearance.

The Renovation Should Respect What Makes the House Special

There’s also an architectural question.

How much should a future owner change?

It would probably be possible to modernize the house until many of its eccentric features disappeared.

But doing so could erase the exact reason people find it interesting.

The Colorado stones.

The curved passages.

The round windows.

The cave-like bathing area.

Those aren’t generic finishes.

They’re the identity of the property.

A thoughtful renovation might therefore focus on making the home functional and comfortable while preserving the details that can’t easily be recreated.

Not Every Imperfection Needs to Be Removed

Modern renovations often push older houses toward the same visual formula.

Bright walls.

Straight lines.

Uniform surfaces.

Standardized fixtures.

That approach could work here.

But it might also make the home less remarkable.

Some of the irregularity is the appeal.

The handmade appearance tells you immediately that this wasn’t created from a standard suburban floor plan.

There was a person behind it.

An idea.

A family.

A collection of stones carried home from trips.

That’s character in the literal sense of the word.

But Emotion Shouldn’t Replace Due Diligence

This is where unusual properties can become dangerous for enthusiastic buyers.

You walk inside.

You fall in love with the bathtub.

You imagine the finished kitchen.

You picture friends visiting.

You start thinking about how incredible the house will look after renovation.

Then you make an emotional decision before understanding the structure.

That’s exactly backward.

The stranger the house, the more important professional evaluation becomes.

A Buyer Should Understand the Structure Before Buying the Story

For a property like this, important questions would include the condition of the concrete structure, waterproofing and drainage systems, roof and earth-covered surfaces, electrical and plumbing systems, HVAC and ventilation, windows and doors, unfinished construction, permits and the feasibility of the buyer’s intended renovation.

Those aren’t glamorous questions.

They’re also much more important than whether the bathtub photographs well.

A specialized inspection may reveal that the project is manageable.

Or it may reveal expenses that completely change the financial calculation.

That’s information a buyer wants before closing, not afterward.

$59,000 Is the Beginning of the Calculation

That’s probably the best way to understand this listing.

The asking price gets your attention.

The architecture keeps it.

But the renovation determines whether the property actually makes sense.

For someone with construction experience, patience and a realistic budget, the house could represent an extraordinary opportunity.

For someone expecting a cheap turnkey home, it could be entirely wrong.

Both reactions can be reasonable.

There’s Something Appealing About a House That Refuses to Be Ordinary

Despite all those practical cautions, it’s difficult not to appreciate what Davis created.

In 1977, he didn’t simply build another conventional house.

He built into the earth.

He incorporated stones connected to family trips.

He experimented with curves and circular openings.

He created rooms that feel unlike the spaces found in most American homes.

Nearly fifty years later, people are still stopping to look at it.

That alone says something about the strength of the original idea.

The Next Owner Would Become Part of the Story

If the property sells to someone willing to complete the renovation, that person won’t simply be buying a house.

They’ll be inheriting an unfinished project with a history.

The challenge will be deciding what comes next.

Preserve everything?

Modernize aggressively?

Create a compromise between the two?

Finish the potential bedrooms?

Turn the unusual kitchen into the centerpiece?

Keep the cave-like atmosphere or brighten the interior?

There isn’t one obvious answer.

That’s part of what makes the property interesting.

The Biggest Question Isn’t Whether It’s Cheap

The bigger question is whether the buyer understands what they’re buying.

At $59,000, the property sounds inexpensive.

But an unfinished unconventional house can’t be evaluated solely by comparing its asking price with ordinary homes nearby.

The right calculation is closer to:

Purchase price + necessary repairs + desired renovations + long-term maintenance = the real cost.

Until those numbers are known, nobody can responsibly declare it a bargain.

Final Thoughts

This underground home in Armington, Illinois, is the kind of property that makes people stop scrolling.

Built in 1977 by Andy “Caveman” Davis, the approximately 2,300-square-foot house was designed partly around the idea of using the surrounding earth to moderate indoor temperatures.

But it became much more than an energy-conscious experiment.

Its Colorado stones, circular windows, curved passageways and cavern-like bathtub turned it into a deeply individual family creation.

Now, with a reported asking price of $59,000, someone else could potentially continue that vision.

The catch is significant.

The property needs substantial work, including unfinished interior areas and kitchen renovation, and the eventual cost of completing it isn’t established by the supplied information.

That means this isn’t simply a $59,000 dream house.

It’s a $59,000 starting point.

For the wrong buyer, that could become an expensive mistake.

For the right one, it could become something increasingly rare:

A home nobody will ever confuse with the house next door.

Would you take on the renovation at $59,000—or would the unfinished work make you walk away?

Editor’s note: This article is based on the supplied property description. The reported $59,000 asking price, approximately 2,300-square-foot size, 1977 construction, potential five-bedroom layout and other listing details should be independently confirmed with the current listing or appropriate real-estate professionals before making any purchase decision. No specific renovation budget, structural condition, utility cost or investment return is assumed here.