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.

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.

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

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

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

A tiny piece of the Moon is embedded in this stained glass masterpiece.

This metal disk commemorates the birth of a historic American holiday.

This roadside attraction has been serving out its fair share of hearty folklore and chaos since 1858.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

Anna Anderson spent most of her life claiming to be the lost Romanov child Anastasia.

An abandoned textile mill that is now home to art and concerts.

The only museum outside of Australia dedicated to exhibiting the artwork of Indigenous Australian artists.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

In the bowels of a 19th-century brewery lurks a fine-dining restaurant offering an array of themed feasts.

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

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

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.