Ever dreamed of having your own underground temple residence with a water slide? In this video, we reveal the step-by-step secrets behind this amazing 120-day project! From excavation and structural ...

Bunkers have become all the rage with post-apocalyptic movies and television shows like “The Last of Us” or “28 Years Later” ...

The Iceberg design trend has transformed luxury homes in cities from London to Los Angeles, seeing floor plans go underground ...

The term “iceberg home” describes houses with elaborate lower levels like the Kansas City home of Chiefs player Travis Kelce.

In just 14 days, watch the transformation of raw earth into a stunning Hobbit-style villa, complete with a beautifully decorated underground room. Using natural materials and traditional craftsmanship ...

One of the owners of Laurel Caverns explains why its conservancy is thrilled the land is slated to become a Pennsylvania state park. Here's why.

Complicating the Gateway project are the unknowns underground, from an 1800s-era bulkhead supporting Manhattan to a former landfill on the path.

The utility Eversource broke ground Tuesday on what it called the country’s first fully-underground electrical ... you can see the beginning of this unique infrastructure project that is really ...

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A crazy multi-layered city is home the the deepest underground in the world. Chongqing in China is known as 'The 8D City' due to its complex, multi-dimensional urban layout, which creates a ...

To help bumblebees, conservationists have to find them. There are many ways for the average person to help, but humans aren't good at finding bumblebee nests, which are hidden underground. To do that, ...

The Princess Royal normally keeps her private residence under wraps, and in a rare photo, her never-before-mentioned underground level has been revealed. Commonly seen photos of the royal home ...