An ornate abandoned schoolhouse hidden in the woods near a decaying mill town.

This stone incorrectly marks the 35th parallel, causing some territorial kerfuffles.

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Legend says train robbers stashed their gold within the depths of this unusual cave.

Limestone caves with spectacular showcase chambers.

What is the Thing?

This abandoned church dominates the landscape of a former mining boomtown.

Wee (and not so wee) footprints that insects and reptiles of the Paleozoic Era left behind.

In the middle of a desert subdivision, there is supposedly an impact crater site from Kcymaerxthaereal times.

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

This unassuming layer of clay boasts an out-of-this-world origin story.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

From working out of his garage to the James Beard semifinals, one Tucson baker has kept his fan base—and his grains—local.

The world's largest military aircraft cemetery.

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

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

This collection of neon icons is preserving Arizona's history, one sign at a time.

The world's largest washing machine collection has more than 1,400 antique items in its exhibit.

A surprising collection of bronze faces beneath a bridge in Loveland.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.