A lone tower rises above the cliffs in a city park, offering fantastic views of the Connecticut landscape.

This picturesque Victorian ghost town was once a thriving mill community.

A reversed traffic signal that was once violently misinterpreted as a statement on British-Irish relations.

This beloved marketplace mascot poops money and grants good luck.

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

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

Ant sculptures march up the side of what used to be an iconic spot in punk rock lore.

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Huge masonic hall in Philadelphia with lavishly themed rooms.

The taxidermied remains of Charles Dickens' pet raven, which helped inspire one of Edgar Allan Poe's most famous poems.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

World's first "penitentiary," meant to be humane, drove men insane.

The first pet cemetery in the United States.

This historic railway museum may have lost its passengers but not its love for trains.

One of the earliest bowling lanes in the U.S. doubled as a sewing school during a time when women had little job opportunity.

This slender three-story building has also had several famous residents.

One of the last few places in Manhattan that employed a pneumatic systemic keeps it on display.

The greatest real estate coup of all time.

Commemorating the spot where the famous scientist fed his pigeons.

Legendary private island in the Bronx...devoid of rats.

The loneliest island in New York.