This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Designed to commemorate the founding of the first settlement in Delaware.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

Must form and function forever remain at odds? Not if the Florida Department of Transportation has its way.

Avoid gangster interaction while window-shopping.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

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

A spiritual vortex among the red rocks in Sedona.

This statue honors the author's groundbreaking family story.

Crammed into a Baltimore row house is an oddities shop that sells everything from skulls to dead insects.

The world's largest fully steerable radio telescope.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

More than 7,000 gallons of water pour over these cascading red quartzite waterfalls every second.

Just a man taking his prehistoric pet for a stroll.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The remains of a massive blast furnace in what was once one of the country's largest iron-producing regions.

How did a massive marine arthropod find its way to landlocked Ohio?

For decades, this waterfall remained hidden because of an artificial dam.

Ohio's 19th-century communist micro-society.

Ghost stories surrounded this “castle,” the only structure from a huge mansion that was never built.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.