A memorial for an outsider theorist who believed that the planet is actually hollow.

A former nuclear facility during the Cold War turned nature preserve.

A small wall and marker are all that remain of this historic canal tunnel.

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

Visitors to this Kentucky homestead turned museum are immediately transported back to the Antebellum south.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

The failure of one component toppled this entire bridge during rush hour.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

This restored 18th-century house was once the home of Lititz's first tobacconist.

An alternate history park where the Union Army loses the war... to dinosaurs.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

Lines from a walking song are etched into a rock in Natural Bridge State Park.

The oldest farmer's market in America is so ancient it was approved by the King of England.

Once the future of underwater combat, this old sub is now open for visitors to muck around in.

This 1,700-pound edible sculpture is way better than your average chocolate mousse.

The most photographed house in Maine looks good enough to eat.

A mural of a boy making a phone call connects a southern Maine community to a town in Iraq.

The world's only international cryptozoology museum is host to an unrivaled collection of mysterious objects.

The only remaining historic maritime signal station in the United States.

Its unique collection details the history of the state's svelte railroads.

Explore the dark underground corridors of this graffiti-covered former military fortification.