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.

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

This sculpture of a fisherman spent six years at the bottom of the Schuylkill River.

Yo, Adrian!

A celebrity from the late Cretaceous period.

Believed to be the birthplace of the United States Marine Corps.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

A chessmaster's dream destination.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

One of the world's earliest skyscrapers.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

A plaque on the side of a parking garage marks the burial place of a great Ottawa chief.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

The eccentric and colorful pavilions of Tower Grove park are a beloved and overlooked symbol. 

One of few surviving standpipe water towers in the U.S.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Go take a picture with the inventor of the daguerreotype photographic process.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A portal into the bricked up canal that runs through the heart of Washington D.C.

These trees are living witnesses to events that inspired poet Walt Whitman’s service during the American Civil War.

A spectacular tribute to statesman and philanthropist Andrew Mellon.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

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