This southwest-styled home in Santa Fe claims to be the oldest house in America thanks to an ancient bit of foundation.

The oldest continuously occupied public building in the United States.

This innocuous New Mexico storefront was once the secret jump-off spot for Manhattan Project scientists.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

A small side chapel in Santa Fe's basilica is home to the oldest statute of the Virgin Mary in North America.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

These ancient ritual mounds are our best window into the culture of the ancient Mississippians.

The house that Southern rock built now stands as a monument to one of the genre's favorite families.

Abandoned anti-ballistic missile base.

The ruins of the movie ranch owned by actor and stuntman Ray "Crash" Corrigan.

You don't want to get caught in this trap--or do you?

A classic American barn that was the home of a classic American television star.

60 feet of towering steel balances gracefully.

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

Authentic gondola hanging from the ceiling, notable mural in the back room.

The blinking light atop the iconic landmark has been sending secret messages for decades.

A tribute to the movie stars who fought to keep Beverly Hills separate from Los Angeles.

Common all over Japan, kōbans are small community police boxes, and now one is guarding one of L.A.’s megamalls.

Once strictly off-limits, this lower level housing curious and priceless vehicles of the Petersen Automotive Museum is now open to the public.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

A lovely summer day by the sea becomes a nightmare.

These four islands right offshore have waterfalls, colorful lights, fancy buildings, and a secret purpose.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.