Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

Experience a charming 1930's version of "infotainment."

A Saint Nicholas-themed ghost town in the Mojave desert.

All of the 20 occupied houses in this mostly abandoned town feature some curious display of junk art.

One of the largest, oldest, darkest, quietest motel rooms in the world.

Don't blink or you'll miss it.

The remnants of a creative early method of wildfire prevention.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

A mass grave for victims of an airline disaster that led to much-needed safety improvements for commercial flights.