This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

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.'