This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

This Communist-era residential block is one of the longest residential building in Europe.

An abandoned Nazi explosives plant founded by the inventor of dynamite is now an underground museum.

Walk through the sets of old western films at this small museum in Utah.

This golf ball–shaped former desert real estate office now houses a UFO museum.

The fading, forgotten remains of a once bright and booming factory.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Outsider Art Community.

These petroglyphs created by ancient Arizonians have withstood centuries of exposure to the elements.

During World War II this was the site of an "honor camp" used as a prison for draft dodgers, Native American conscientious objectors, and Japanese-Americans—including a man who brought his case against the camp to the Supreme Court.

Although now a decaying ruin, this stone cabin's history includes several notable figures.

This ancient trail has claimed the lives of over 2,000 people.

For those going through a life transition, a place to leave behind a piece of your former self.

Along the old Route 66 is an abandoned trading post made from old telephone poles, built by a former circus clown.

This peaceful garden is hidden on the grounds of a spiritual organization founded by a pioneer yogi.

Rare collectibles from automated musical instruments to 250 unique automobiles.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

A master of deception, Harry Houdini's greatest trick may have been living in two places at once.

An L.A. traffic island where the faces of locals have been carved into massive granite eggs.

The illuminating collection of L.A. street lights is run by the city and only opens one day per month.

An expansive book store, art gallery, and curio shop with wares ranging from tarot cards to novelty socks.

What began with a single, 357-pound chunk of the Canyon Diablo meteorite grew to be an impressive collection. 

A beloved carnival gets a modern makeover in Los Angeles.

A quirky collection of figurines backdropped by city views is hidden next to a popular restaurant in the Hollywood hills.