A life-sized mammoth sculpture marks the spot where the remains of a Columbian mammoth were discovered in 2005.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

It is locally loved and ridiculed for literally looking like poop.

Three plaques mark the spot where the "forgotten father of broadcasting" worked.

The largest permanent Monopoly board makes one of the longest games even bigger.

An extensive collection of ancient Egyptian artifacts and mummies.

The headquarters of a secretive order is also a beautifully-designed park.

Abandoned bridge hidden deep in the San Gabriel Mountains.

The programmatic glory of LA's giant whiskey barrel building has become an upscale reminder of the city's kitschy roadside past.

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 former major munitions plant that has been converted into a sprawling art space.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The dramatic upward-curving roof is one of the most iconic examples of Googie architecture that still stands today.

Ingenious bakery opens up the first Cupcake ATM at their flagship location in Beverly Hills.

The famous blue house from the classic horror film "Halloween" is now a local landmark.

The so-called "Statue of Liberty of Los Angeles" is on a one mutant mission to keep L.A. weird.

Shop selling 500 flavors of soda has something for everyone.

An abandoned 1930s gas station turned bustling neighborhood park.

One man's homage to the sun continues to grow like a glass fractal.

The neighborhood shop is a sort of tiny cactus museum full of exotic specimens you can take home.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

This ruined quarry once produced the distinctive red sandstone used for construction projects in Washington, D.C.

A relic from a forgotten bakery chain still spins atop a diner.