Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

Open since 1938, this diner has kept its fountain, malt machine, and all the gum that greasers left beneath its counter.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

A 220-foot deep watery drop-off, filled with marine life.

Uninhabited islet in the Caribbean is the sanctuary of giant lizards.

A sinkhole known simply as "The Hole."

This Indianapolis landmark offers a secret panoramic view of the city. 

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.

This awkward aquarium sculpture is one of the strangest statues in Chicago.

A shining sculpture made of 3,115 lights, the number of visible stars in the Northern Hemisphere.

In 1703, French settlers in what is now Mobile celebrated the first Mardi Gras celebration in the United States.

Alabama has a fiberglass Stonehenge. With apologies to Spinal Tap, this one is full-size.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

The park is home to the United States's only still-operating Dutch windmill.

This shallow cave got its name from copious amount of human bones found inside.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

There's a crumbling old mansion inside the Smithsonian National Zoo.

An eerie smiling woman looms above the granite tombstones.

An early-19th-century hotel with a past that is steeped in the Civil War.

Hidden amid the old-world charm of Savannah is a museum dedicated to the world of oddities and criminal history.

Performers, intricate sets, and a real speakeasy tell the story of the 18th Amendment.

This kitschy tavern is also home to rare early editions of "Treasure Island."

On Hilton Head Island this bronze King of the Sea rules all things briny—and lets you know if you’re late for lunch.