This tribute to the founding father of the American dictionary originally contained a spelling error.

The final resting place of one member of the Amistad slave revolt who never made it back home.

An abandoned Depression-era zoo hidden just off the highway.

It was founded by Ralph Nader to educate the public about an often-maligned area of law.

Who knew the Devil's domain was a hot spot for tubing?

This statue of the "father of television" stands prominently in the United States Capitol.

Edison's cast-in-place concrete houses were a failure, but way ahead of their time.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

The smallest post office in the United States is no bigger than a broom closet.

An underwater city for the dead.

Located within a historic park, the beacon is the oldest standing structure in Miami.

It turns out that a hurricane-prone beach is probably not the best place to house wild animals.

An abandoned water sports stadium that has become a haven for graffiti and decay.

Over 120,000 curious objects that have shaped our modern world.

A perfect circle of 24 mysterious holes dates back to prehistoric times.

This isolated airport in the middle of the Everglades sees more alligators than planes.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

At the United Kingdom's only residential library you can sleep among the books.

A 168-foot tower, part of the abandoned Chester Leadworks facility.

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

The main gates have been locked since 1745 and will remain so until the Stuart Dynasty returns to the throne.

An abandoned bus station transformed into a museum dedicated to the history of Greyhound Lines, in the place where it all began.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

A modern-day Lascaux cave underneath Paris.