The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Sloth rehabilitation center in the jungle of Costa Rica.

Explore some of the most unique vehicles in history along with a cast of unsettling mannequins.

This unique competition celebrates an American Indian and Canadian First Nation cultural tradition.

This scrap yard doubles as a naive art gallery full of found art and farm animals.

The lost ruins of the forgotten ferry lie hidden beneath the silt.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

The massive, incredibly rare instrument is over 11 feet tall with a range so deep it goes lower than humans can hear.

Hike the unusual hoodoos and rock formations that form this little-known natural wonder.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

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

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

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

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

A working cattle ranch with remarkably well-preserved prehistoric petroglyphs and ancient ruins.

In this small Phoenix taxidermy emporium, you can find everything from a squid in a jar to a freeze-dried toad.

Ancient pueblos built into the base of a natural canyon wall.