Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

Thousands of Mexican Free-Tailed Bats soar around an abandoned storm drain at sunset each summer.

This sinkhole in the Arizona desert is filled with carbonated, arsenic-rich water

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

Elvis's own personal tropical hideaway.

This tomb was fashioned with a sliding window for a grieving mother who struggled with her daughter's death.

This university research project is the U.S. government's weed dealer.

The highest point in Texas is capped by a big silver pyramid.

A sculpture of a flying hawk made from colorful car doors.

A natural formation that resembles a camel resting in the New Mexico desert.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

The decaying ruins of a failed mining company’s water diversion project cling to the side of a desert canyon.

A dazzling display of red rocks weathered into spires and hoodoos.