Step back in time as we use ancient skills to build a stunning underground house with not just one, but TWO amazing swimming pools! Watch as we carefully carve out the structure, using natural ...

we take on the challenge of building an underground house using only primitive tools and natural materials. This unique shelter is designed to provide protection, comfort, and a sustainable way of ...

You can heat homes with gas ... hands out a flyer for a Blacks in Green event. (Audrey Richardson/Chicago Tribune) In cold weather, the fluid circulating through the geothermal system’s underground ...

The Underground House has lighting that emulates different times of the day. It has green carpeting in the patio area, and faux trees serve as hidden steel beams. Mountain and wilderness murals ...