Lake Mead’s drought exposed parts of the lake bed that were once 175 feet underwater. Areas that had been too deep for scuba diving became walkable. The experience felt quiet, vast, and unsettling.

In the late 1940s, a U.S. Army Air Forces B-29 Superfortress crashed into Lake Mead during a classified postwar operation ...

On a barge in lake mead, in Nevada, under a scorching sun, Dave Conlin pulled on long underwear, wool socks and a fleece jacket and pants. He donned an insulated drysuit over all that, strapped two ...