In this video, we showcase the construction of a secret underground house with a water slide that surrounds an underground ...

In this video, we demonstrate how to build a secret underground house and construct a water slide around an underground swimming pool. The footage includes step-by-step instructions and innovative ...

Twenty-six feet beneath the streets of Henderson lies a custom-made mansion that reflects the hopes, fears, and furnishings ...

In the mining town of Coober Pedy - also known as 'Australia's cheapest town' - lies a gem known as 'Faye's Underground Home' ...

A state park in eastern Kentucky is throwing a summer party pool, but instead of being under the sun, it'll be deep inside a cave. This year, Carter Caves State Resort Park is opening up Cave Branch ...

It started as a single-room dugout in the local postman's garage. Now a three-bedroom attraction with local-legend status, ...