It was once the base for a series of domestic terror attacks.

Light bulbs, scrap wood, and tinfoil comprise this homemade throne of the gods.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

The drama of nature in full effect in this Nevada State Park.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

No two pieces are exactly the same at Portland's hippo-themed hardware store.

Sniff the Titan Arum's rotting flesh.

The final resting place of the great escape artist, where some still gather to wait for his escape from death.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

Elevated freight railway turned wildly successful urban park.

Manhattan’s Battery Park has a whimsical carousel full of spinning, glowing fish.

A millionaire's abandoned swimming pool from the gilded age of one of America's most distinguished families.

An eccentric playboy's astounding natural history collection.

Whale bones, scrimshaw, and sperm oil make up just a part of this comprehensive collection of whaling history.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Two stunning 17th-century libraries and a cabinet of curiosities.

Macabre astrological automaton clock dating to the late 1400s.

A bizarre house filled with an astounding array of collections.