In 45 days, we built an underground house with a swimming pool, complete with a beautifully decorated underground living room! Using only basic tools and creativity, we carefully excavated, designed, ...

In 69 days, we built a luxurious underground cave swimming pool with a private living room, creating the ultimate hidden ...

A team of scientists from the Czech Republic has discovered the world’s largest underground thermal lake, located in southern ...

The futuristic shelter, which features fine dining, a swimming pool and wellness activities ... The shelter, which is based mainly underground, even has special effects options to help trick ...

An above-ground pool is the least expensive option for a swimming pool. They’re a good choice for yards that are small or have unsuitable conditions for in-ground pools. Their big advantage ...

An enormous sinkhole the size of a swimming pool swallowed up a truck with the ... Though, it's believed that underground pipes, recent weather, or construction may have contributed.