Ancient paintings known as the "Sistine Chapel of Cave Art."

This French ghost town from World War II has been left as a memorial to German atrocities during World War II.

Half a century after it was abandoned, this ghost town is coming back to life.

Historic medieval fortified city in southwest France.

Among Europe’s most spectacular Ice Age painted caves still accessible today.

The giant skeleton sculpture is surprisingly well-traveled.

This immaculate and historic water garden culminates in a massive stone dining table with an inset fountain for chilling the wine of the Cardinal's guests.

A 16th-century horror show built in a lovely Italian garden.

A lonesome Moai stands in a small Italian town some 9,000 miles away from its Easter Island brethren.

This lake was sacred to the Sabine people who constructed a temple here on a floating island.

Liechtenstein's royal family calls this medieval alpine castle home.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

The world's tallest bridge is also possibly the most elegant.

The site of a legendary battle immortalized in medieval literature.

A wonderfully kitsch bookstore the size of a supermarket.

Climb inside an iron crystal magnified 165 billion times its normal size.

Lavish royal estate punctuated with heated greenhouses.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Meet the bronze beloved pet to a family of famous peeing statues.

One of Hollywood's most iconic actresses was born in an upscale Brussels neighborhood in 1929.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

In the middle of a Brussels roundabout, a cargo container balancing on its edge.

This non-profit theatre in the heart of Brussels is dedicated to hosting independent films.