This staircase in a lush tropical grotto was built by enslaved laborers and renamed to honor Queen Victoria's role in ending slavery in the British Empire.

Send a postcard while vacationing with Satan.

This Delaware River bridge is emblazoned with a catty slogan from a more prosperous time.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

There must be a pun in this haystack somewhere...

A semi-scholarly approach to sex.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

Step into a pastel time capsule where candy is truly dandy.

Contrary to popular belief, this secluded statue doesn't represent Pennsylvania's founder.

America's smallest national park site is the former residence of exiled Polish national hero Thaddeus Kosciuszko.

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

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

Yo, Adrian!

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

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

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

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

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

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

A former waterfront market is now in the center of town due to some interesting Boston engineering.

Ice cream stand, snack bar, and time capsule of milk conveyance.

Millions of numbers carved in glass represent the tattoos forced upon victims.

This massive tea kettle was once a promotional stunt for the Oriental Teashop.

The massive machine creates cracking displays of indoor lightning.