“Do you love Natural Bridge Caverns? ”

That is the intriguing opening line on a weird and wonderful Texas property listing, and yes, the cave house has rocked one buyer’s socks off.

The property at 24811 Creek Loop, San Antonio, which has its own natural cavern system, has an offer pending on the Zillow ad.

The asking price was $US875, 000 ($1. 23 million), and it was discounted by tens of thousands during the campaign.

The owner spent $US87, 500 ($122, 000) to incorporate the natural cavern into their estate, with excavation, stairs, and the addition of spot and feature lighting and electricity, the listing reveals.

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A spectacular cave system is part of the property Texas unusual real estate America Zillow
A spectacular cave system is part of the property. (Zillow)
Zillow Texas cave house weird property unusual
Zillow Gone Wild revealed your chance to its followers, who were rocked by the cool and unusual feature. (Zillow)

A gazebo in the backyard is a spot to bask in the fresh air before venturing underground, via a trapdoor in the lawn, with a deck.

The surrounding land is conserved, providing a verdant and protected frame around the block.

The house itself has four bedrooms and is decorated in a traditional style, with oak, magnolia and mountain laurel offering shade.

The listing states that prospective buyers could only view the cavern with an appointment with the real estate agent.

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Zillow unusual feature weird property Texas real estate
The home in San Antonio was discounted before a buyer swooped. (Zillow)
Texas listing Zillow caves unusual weird America property
The particular traditional-style home gives nothing away of what is buried in the backyard. (Zillow)

Followers of quirky real estate social media account Zillow Gone Wild, which shared the listing, were enamored.

“I love any house with a built-in batcave, ” one commented.

Another said: “When Bruce Wayne has to downsize”.

“Either amazing or super haunted, ” said a fan.

“Probably a great place to hang out on hot summer days! ” another said.

Texas’ caverns are a major tourist attraction. The best known is the Natural Bridge Caverns about 30 minutes north of San Antonio, named for the bridge shape created at the entrance to the caves when a sink hole collapsed.