At 207 feet, one of the world's longest continuous escalators.

Furniture tries to escape an abandoned building in San Francisco.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

One of the few remaining carousels built by master amusement park carver Charles I.D. Looff.

This whimsical seashell-shaped place of worship was designed to blend into its surroundings.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

The fossilized remains of ancient California redwoods.

"A hideous albatross in the Hudson River Valley."

An abandoned dollhouse factory.

The only intersection in America where the buildings on all four corners were built pre-Revolutionary War.

This old cement mine has been used as everything from a mushroom farm to a recording studio.

This stone gatehouse was once the entrance to a historic mountain resort, and it had a cameo in a cheesy cult horror movie.

The oldest continuously inhabited street in America.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

The summit Roosevelt conquered before he descended to become The Chief.

A once grand hotel is being retaken by the wilderness it once capitalized on.

One man's swirling six-acre monument of stone.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Step inside Lucy, the world's largest "elephant."

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

This evocative New Jersey statue memoralizes the Polish victims of a Soviet massacre.

On the Hudson resides one of the largest clocks in the world.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.