Remains of a massive World War II blimp base, now home to a railroad museum.

This extensive display of bobbleheads is a tribute to one of the most unique pieces of sports memorabilia.

According to local lore, this narrow passageway through two large rocks was accidentally created by the devil himself.

The oldest continuously occupied public building in the United States.

Despite time, colonization, and the brutal New Mexican heat, these Pueblo ruins still stand.

The intricate stonework of Machu Picchu serves as a testament to Incan engineers.

An artist's cute bronze subway sculptures belie his violent artistic past.

Wild West history in Hollywood style.

A popular European tradition makes its way to the states on one of America's most famous bridges.

In the middle of a busy airport, a statue honoring the astronaut who told Houston that Apollo 13 had a problem.

A community of collapsing homes more than a mile out from the Florida coast.

A sprawling maze of used books piled from floor to ceiling.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

With nickel-steel armor and three-inch thick bullet resistant windows, FDR's train was a rolling fortress.

One of the largest collections of wildlife art in the United States, built into the side of a cliff in rural Wyoming.

A vision of beautiful Hindu architecture in the middle of the American South.

A popular oddity on display in a stately building, offering a symbolic commentary.

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

Tour the sci-fi-esque reality of governmental disease management.

Over 120,000 curious objects that have shaped our modern world.

A mysterious castle built as a monument to lost love.

An abandoned water sports stadium that has become a haven for graffiti and decay.

Former villa and estate of James Deering developed to preserve native tropical forests.