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

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

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

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

This quirky hot springs town known to locals as "T or C" was named after a radio show.

A graveyard of bathyspheres and diving bells paints a weirdly accurate account of ocean exploration's rickety history.

Elvis's own personal tropical hideaway.

Heron, whitewater rapids, and urban industrialism all add to the beauty of this concrete nature walk.

A layered tribute to the work of mosaicist Isaiah Zagar.

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

Yo, Adrian!

One of the oldest of its kind.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

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 elaborate towering structure was once famed for its revolutionary height.

Marie told fortunes from her small stand on the Boardwalk for decades, including to a young Bruce Springsteen who would busk outside her booth.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

An experimental, automotive replica of Stonehenge.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

This "zoo" is a cross between a junkyard and a sculpture garden, featuring animals you won't see anywhere else.

Cannon designed to fire an atomic warhead.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.