This World War II bunker now survives as a documentation of the Nazi regime and war crimes.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

A tiny piece of the Moon is embedded in this stained glass masterpiece.

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

Art deco landmark on the outskirts of Washington, D.C.

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

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

Home to items never before seen by the public.

The "lovely red Vega" of the legendary record-settling pilot.

A multimedia experience that chronicles the atrocities of racism.

Resting place of Hollywood's immortals is also site of summer film screenings.

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

Iconic Los Angeles residence famous for its 19 statues of Michelangelo's David.

Oldest building in California still in use.

San Diego's most historic and haunted home.

North America's largest accredited model railroad museum.

Costumed elves and mountain bikers co-exist peacefully at this abandoned Christmas-themed adventure park.

Mexican food and folk art.

Megachurch turned Catholic church comprised of 10,000 glass panes.

The hidden jewel of Disneyland: a members only playground for the Disney elite.

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

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

An offbeat angle on the ocean viewed through an antiquated lens.