A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

A community gathering place that once housed half-ton tanks and the World's Fair.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

This working class sculpture pounds his hammer all the livelong day.

Though strikingly beautiful, Seattle's other railway station is now largely forgotten.

The only road through the heart of Glacier National Park.

This angular Dwarven tunnel cuts through a mountainside in Glacier National Park.

This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The first American department store, and home to the largest operating musical instrument in the world.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

A daily replay of the experiment that proved the rotation of the Earth.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

Yo, Adrian!

The ruins of a Massachusetts prison farm can still be found crumbling the woods of a state park.

On a side street near the interstate is the building where the famous anarchist once owned an ice cream parlor.

The Burnside Fountain and its questionable interpretation.

A spooky and decrepit mental health facility is slowly being replaced with newer digs.

A comic book store got the road by its shop officially renamed after Superman's girlfriend.

Once a private collection, now the only museum of arms and armor in the Western Hemisphere - CLOSED.

This miniature feudal castle was built on a whim to honor a US Navy pioneer.

This little-known rival to the Library of Congress houses one of the largest collections of pre-1876 American books, newspapers, and manuscripts.