A nude beach alongside a washed-out road.

The largest freshwater lake in the Florida Keys.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

An underwater statue of Christ blesses the depths off Key Largo.

Stay in a room with a view... of the bottom of the ocean.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

Former villa and estate of James Deering developed to preserve native tropical forests.

The ruins of an ancient stadium that hosted gripping chariot and horse races.

The cathedral of a controversial, conservative, schismatic sect that declared the Catholic Church heretical and founded its own succession of popes.

The Roman city was the birthplace of various emperors and is home to one of the empire's most impressive architectural feats.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

The world's largest fire hydrant is supposedly tornado-proof.

This structure among the trees was the result of divine inspiration.

Follow the path behind this treat-slinging camper van to a sculpture garden in the forest.

A white oak with property rights.

This boulder stays on its mountain thanks to a huge chain and on the map due to local legend.

This maze-like slot canyon is a unique gem within an already fascinating geological area.

The remains of one of America's first radiation testing grounds still rest ominously in a Georgia forest.

After just one epic test blast, this literal loose cannon proved too explosive for combat.

These strange large stones served as a campsite and lookout post for generations of Native Americans.

This nine-story building can be played like an instrument.

You can climb to the summit of Black Mountain, as long as you sign the waiver.

A replica of where the Last Supper was held.