Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

An homage to Jackie Gleason's bus-driving character from 'The Honeymooners.'

A dilapidated dock tells the story of Titanic’s missed arrival.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

This colorful gate stands as an entrance to the walled city of Old San Juan.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

On a clear day, you can see all the way to the Virgin Islands from the top of this observation tower built in the 1960s.

The world's second largest single-dish radio telescope, once used to contact E.T.

This lake with an inactive volcano underneath is often said to be bottomless.

An ever-evolving wall of graffiti art off East Liberty Street.

Pittsburgh’s largest and most detailed model train display began as one WWI veteran’s hobby.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

A secret, ethereal waterfall beneath the picturesque gardens.

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 elaborate towering structure was once famed for its revolutionary height.

The fastest transatlantic ocean liner sat abandoned in a Philadelphia shipyard for decades.

An ornate Art Deco tile mosaic representing Nebraskan life, both modern and prehistoric.

Once a slice of Cold War-era military history, this museum is finding its future in the stars.

A life-size bronze statue of Ettore Boiardi, the man behind the can.

This once rural mansion now sits in the heart of the city.