A 70-foot replica of the famed Eiffel Tower.

This curious headstone is labeled simply as "The Queen."

The lowest point in the state of Illinois, at the confluence of the Mississippi and Ohio rivers.

A once-booming Mississippi River town with a history of racial violence is now eerie and mostly abandoned.

An abandoned early-20th-century boomtown sits within the Calico Rock city limits.

Peak named for an old man who liked to run in the nude.

The final remnant of the Arkansas zinc industry is this historically protected ghost town.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

Crumbling Kennedys and a decaying Tecumseh are just some of the haunting remains of one man's cement art trail.

Ernest Hemingway wrote a good portion of "A Farewell to Arms" while living with the parents of his second wife, Pauline Pfeiffer.

Located inside a former bread factory, this museum explores a century of transportation history through innovations that were extraordinary or failures—sometimes both.

One of the last few period-correct, hand-operated canal locks in the country.

The birthplace of the first author to win the Pulitzer Prize in fiction and poetry.

Victorian-era Egyptomania left its mark on this Nashville landmark.

The island residents are known for taking their quirky sense of humor with them to the grave.

The famous boat that once ferried Bogart and Hepburn still floats in Key Largo after being abandoned for years.

This spiny beast guards an artist's village while vying for the title of largest lobster in the world.

In memory of the 110 victims of ValuJet Flight 592 that crashed in the Everglades.

Wading through a small lagoon reveals a secret, wild stretch of pristine beach.

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

A time capsule of Floridian history fights to survive on the banks of Chokoloskee Bay.

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.

The location of a citizen uprising that led to a gruesome act of mob justice.