A mysterious echo seems to defy the laws of acoustics.

This sweet Southern elixir comes from what may be the oldest grape vine in North America.

This centuries-old graveyard is the final resting place of the Fort Fisher Hermit.

The 15-foot-wide, 2-ton pan fries hundreds of chickens once a year.

A mailbox that saved a nature reserve.

Divinely-inspired village houses 6,000 dolls, plus strange and lovely outsider art.

This handcrafted, old western-style town is filled with deserted cars, retired movie props, and other forms of Americana.

This abandoned lighthouse looks like a rusting oil rig, but has managed to survive a number of storms.

From failed port town to Civil War fort, the ruins of this former defense saw their finest day in the television age.

The only pachinko parlor in the United States.

An exotic reptile facility showcasing some of the rarest, most venomous snakes in the world.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

The humble gravesite of the man who failed to cash in on his Pepsi-cola goldmine.

This multi-story wooden waterpark offers homemade thrills.

Towering basalt columns, a creation of fire and ice.

A grove of "candelabra redwoods" deep in California's Lost Coast.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This tiny islet has somehow housed an ancient temple, two monasteries, a church, a fortress, and a restaurant.

For centuries, this large Roman villa remained hidden thanks to the eruption that buried nearby Pompeii and Herculaneum.

This medieval city gate is now a blend of the past and the modern world.

A former Roman town that was once the home of Scipio Africanus.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.