Over the radioactive dump, the U.S. built an 18-inch thick concrete dome that stretched ... during the construction of the ...

Carving holes is a great way to lighten a dome -- but the governor won't be happy with your design. Around 500 A.D., ancient engineers realized that a dome could be made of a circular ring of ...

New York City's nickname may be the concrete jungle, but that doesn't mean we fall short on greenery and florals. Woven between tall apartment buildings or hovering above bustling streets lie our ...