This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

An ordinary pond with fish from out of this world.

Oldest existing church in New York and the inspiration for Washington Irving's "The Legend of Sleepy Hollow."

Stroll the grounds built by murder, suicide, and dirty oil money at one of Hollywood's most filmed mansions.

The "Fun Spot of the Desert" is now a haunting ruin, and a reminder that putting a water park in a desert is a bad idea.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Ride the subways of yesteryear.

See massive fossils that are over 200 million years old in northeastern Arizona.

One of only two commuter aerial tramways in the United States.

Peek through the gates at this oasis from the city, full of Old English charm.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Featuring a casually threatening atmosphere along with dessert and coffee to die for.

San Francisco's newly reopened hands-on science museum.

The private clubhouse for the members of the Academy of Magical Arts.

Home to items never before seen by the public.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

The site of the climactic scene from the classic horror film is now a historic landmark.

A hotel and restaurant serving as the mecca of kitsch.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Famously misunderstood wonder of the ancient world