A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

An arsenic-filled pool in the Grand Canyon takes on the appearance of a giant, overflowing pumpkin.

See massive fossils that are over 200 million years old in northeastern Arizona.

A frozen oasis lies beneath the scorching New Mexico desert.

Historic marionette theater features thousands of handmade puppets and free cups of ice cream.

A mural of the Virgin of Guadalupe painted on the rock wall by canyon's religious namesake.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

An enthusiastically interactive mining museum that won't let black lung ruin the fun.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The world's largest carnivore sanctuary is home to over 450 meat-eating rescues.

A collection of over 15,000 zines works to preserve DIY publishing culture.

Rather than a run-of-the-mill franchise hotel, this lodging has been decked out in dinosaur decor.

This spectacular track has run continuously since 1882.

A piece of outsider public art accompanied by a strange urban legend.

These early tent-shaped grave coverings are unique to Appalachia.