The sci-fi villain is a little-known inhabitant of the U.S. capital's largest cathedral.

The second-largest natural arch in the Chartreuse Mountains.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The fifth-longest natural arch in the world, and the longest outside China.

This magnificent arch is all that remains of a former smelt mill.

It's safe—and permitted—to walk across these twin natural sandstone arches.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

An Italian restaurant became a rock-and-roll hangout and the lair of the "Hollywood vampires."

Come for the Italian food, stay for the taxidermy and giant statues.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

Along a California highway is a kind of Jurassic Park made of metal.

A glass and sculpture wonderland forms an oasis in a remote part of Kenya.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

This monument to the victims of a tragic explosion is said to turn and look at passing cars.

The final resting place of a famous 19th-century murder victim whose identity is still a mystery.

This grave in a ghost town cemetery marks the death of a witch on a day that never happened.

Following the trail of an old metro line, this scenic path is haunted by a creepy spriggan statue.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

This massive neon wheel is the only one of its kind to be built over a bridge.

At high tide this strange footbridge appears to have no purpose whatsoever.

Julia Morgan's Moorish-Gothic labyrinth of fountains, trees, natural light and Oakland's notable dead.

The top of society once luxuriated in this world-class hotel, which continues to impress, even in ruin.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

In the 19th century, this was the center of Boston's Black community.