Home of the International Space Hall of Fame.

Twenty-seven massive radio antennas on the high plains of New Mexico search for life on other planets.

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

The stone circle honors the 19 firemen who perished during the Yarnell Hill Fire.

This sanguine boulevard was named after a deadly cowboy bar fight.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

An Arizona museum with a collection of pharmaceutical oddities, including a jar of a gangster's chewed gum.

An artificial crater field that trained astronauts for lunar exploration.

A Tucson museum and performance space full of found-object movable sculptures.

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.

This large, castle-like structure is hidden amid the mountains on the grounds of the Utah State Hospital.