The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Perhaps the most scandalous statue of America's first president.

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

Carved faces add a touch of magic to this island's impressive oak trees.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

A historic hotel that made a cameo in Hitchcock's classic film has no intention of letting guests forget its fame.

Quite simply the largest tree in the world (by volume).

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Europe's only museum solely dedicated to the history of whaling still has a fully-functioning whaling ship.

The former home of Norway's greatest romantic composer.

The last fully functional fortress of Germany's World War II Atlantikwall.

The discovery of an old wall led to the creation of this fascinating museum about the city in the Middle Ages.

This mountaintop beacon is only lit three times a year but shines like some kind of all-seeing eye.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

Honoring the famed folktale author, this California museum looks like it belongs in the Black Forest.

Get up close to emus and ostriches, or buy their tasty meat.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

This private residence was the template for one of the most beloved television homes of all time.

The unbelievably opulent home built for an infamous newspaperman.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The tea room that pushed the boundaries of adorable straight into... we can't find the words.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.