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

A handful of beehive kilns are all that’s left of a historic brick-making empire.

Hidden in this little-known town stands a piece of agriculture history.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

A wedding chapel, vintage clothing shop, and bar all under one roof.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

The enormous 250-room Vanderbilt mansion conceals hidden doors and secret passageways.

This abandoned bridge is now a favorite haunt for graffiti artists.

The abandoned bathhouse is all that remains of the hot springs considered Florida's original tourist attraction.

Meet manatees face-to-face at this zoo for native species.

An author's private collection of quirky travel-trinkets and oddities has become a rotating mini-museum in the window of a local bookstore.

VW heaven in the backwoods of Dade City, now gone.

The site of a prison camp where Cypriot resistance fighters were held in the 1950s.

Shaped like a big top tent, this memorial honors the victims of a terrible train wreck.

Built in 1785, this residence is the oldest stone house in Georgia.

This state park was once an important Native American cermonial center.

An unusual college football tradition involves burying pieces of sod from competitors' turf, replete with tiny coffins and headstones.

Over 12,500 words are scrawled across each room of this historic plantation house and no one knows why.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

The remnants of the fortress that saved Georgia from the Spanish still stand guard on their swampy island.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

A sprawling maze of used books piled from floor to ceiling.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.