Saguaro cactuses are Arizona's towering icons. However, only one holds the record for being the tallest ever measured. Here's what to know about it.

Onlookers were promised lasers, but they got only the dimmest of light shows. And they weren't happy about it.

The highest bridges in the United States are as spectacular as the tallest buildings and skyscrapers across the country.

A Brooklyn-based developer is planning to make history by constructing the tallest Passive House skyscraper in the world in NYC.

American architecture studios Handel Architects and HWKN have completed the Journal Squared development in New Jersey, USA, ...