The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

This giant temperature attraction created some giant electric bills.

San Francisco's newly reopened hands-on science museum.

Only hotel where you can legally launder money.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

A massive volcanic plug is now a protected area that hosts a number of bird species.

The ruins of the castle that chemicals built.

America's most famous piece of self-built architecture.

After starting as a whimsical tourist attraction that eventually found its way to ruin, these renovated canals offer a lush and exotic locale on the Pacific Coast.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

A modern day curiosity cabinet.

World War II-era Nazi compound nestled in the Santa Monica hills.

One of the first skyscrapers in Santa Monica, and a famous getaway for the Hollywood elite of then and now.

A Looff creation in Santa Monica best described as “a California-Byzantine-Moorish-style fantasy.”

The largest dune field in the Mojave offers a chance of hearing the 'singing sands.'

The ghost town that ended up on Ebay.

One of the ghostly stops along Route 66.

This dormant volcanic crater has been converted from a roiling pit of magma to a pleasant hiking spot.

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

The final resting place of a space program monolith, soon to be unveiled again to the public.