This massive store is home to an eccentric collection of vintage, retro, and peculiar goods.

Cleveland's giant "free" stamp is a nod to the Civil War, but was misinterpreted for years.

The crash of this great airship signaled the beginning of the end for dirigibles.

A favorite of Amelia Earhart, ranking among those rare bridges that can be crossed without changing sides of the river.

This bare tree might not have leaves but it is constantly clothed in festive decorations left by mysterious local benefactors.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

The third tallest lighthouse in America once guided author Stephen Crane to safety.

A building so large that it has its own weather.

This abandoned NASA launch site is now a memorial to a trio of astronauts who were killed there.

The world's largest private aircraft collection.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A haunted hill that supposedly defied gravity.

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.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

The museum chronicling a treasure hunter's dream, fulfilled.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

A little-known subterranean street runs under some of the best-known buildings in Chicago's River North.

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

A monument to the art of slicing people open.

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

At 207 feet, one of the world's longest continuous escalators.

The "lovely red Vega" of the legendary record-settling pilot.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.