Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A restaurant and observation deck built in a unique broadcasting antenna.

Spanish religion mixed with local architecture has yielded a network of churches unlike any other.

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.

France's most famous cemetery, with some of its most curious tombs.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

The most powerful waterfall in all of Europe.

Medicinal spa created with the discharge from a geothermal energy plant.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.