The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

From carts to cars, this leftover Roman bridge in France has managed to survive for centuries.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

A fairytale-like medieval church perched atop a rocky cliff on Italy's "Coast of the Gods."

Remains of the artificial harbours invented for the Allied invasion of Normandy can still be seen at sea.

Where the Model T was made and the assembly line was invented.

At Monet's beloved home you can still see the Japanese bridge, waterlilies, and weeping willows that were the subjects of some of his most iconic paintings.

A temple to modernity, tucked away amid Barcelona's more well known museums.

A desert that evokes the surreal.

At the crypt of St. Mary of Eulogies and the Dead you are left alone to ponder mortality among piles of skulls.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

An ancient and majestic fortress that played an integral role in Portugal's road to independence.

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

These massive moving sand dunes have swallowed an entire village and are still on the run.

Come to this Polish museum to take a good, clean look at filth.

This church, better known for its weeping portrait of the Virgin Mary, also houses the world's oldest existing piece of taxidermy.

A 400-year-old church covered floor to ceiling in ex-voto offerings from the faithful.

A beautiful discovery site of prehistoric burials.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

This frozen tunnel in central Alaska is both an engineering feat and a valuable climate classroom.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

Largest magic museum in the United States with more than half a million pieces of memorabilia.

The Devil’s own choice when he needs a drink in Brussels.