There’s a hidden military meme engraved on the World War II Memorial.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The most decorated dog of World War I is preserved in the Smithsonian.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

One street divides a single town that stands in two U.S. states.

This star-studded Old Hollywood restaurant is where fettuccine Alfredo made its United States debut.

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

This Route 66 classic sports a giant fiberglass rabbit that you can ride.

What is the Thing?

Legends surround this jagged rock formation in the New Mexico desert.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A clear blue swimming hole with hidden caves, still unexplored.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

One of the longest water bridges in the world was built over a supposedly haunted swamp in Louisiana.

William Faulkner kept his beloved estate wild and untamed.

This university research project is the U.S. government's weed dealer.

This two-room shotgun shack in Tupelo is the birthplace of a King.

This Mississippi seminary was the first in America to train Black Catholic priests.

A historic Civil War estate-turned-museum looks back on the Confederate States of America.

A grandiose octagonal home crowned by a large dome stands out among the antebellum mansions.