This building contains handprints that are well over a century old.

It's a pretty creepy lock-up.

This tiny cluster of abandoned buildings looks like the future of the ghost town - today!

In the middle of a remote desert town is a surprisingly opulent hotel.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

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.

A tropical paradise once home to space exploration and military installations.

The abandoned Bermudian home of a British naval leader is surrounded by crumbling sporting fields and the graves of convicts.

Once a strategically imperative naval base, portions of this Bermuda dock complex now serve cruise ships.

World's largest college campus includes a wildlife sanctuary and a former movie set on more than 28,000 acres.

The highest point in Alabama was almost completely deforested, but is now home to protected towers and trees.

Since it formed millions of years ago, this cave system has been a sacred burial ground, a Prohibition-era speakeasy, and the center of an amusement park.

A historic landmark and museum filled with curious objects representing the history of Key West.

The maximum security facility was once thought to have "the bloodiest 47 acres in America."

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

A creepy sculpture of a decapitated head invites viewers to see St. Louis through its empty eyes.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

Look closely and you’ll notice that the color changes a third of the way up the tower.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

Perhaps the most scandalous statue of America's first president.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

A spectacular remnant of an Adler and Sullivan masterpiece that was destroyed in 1972.