This interactive museum highlights the history and philosophy of one of the world's most difficult sailing races.

This 19th-century fountain's namesake animal isn't what you think it is.

Fascinating exhibits of prehistoric and ancient artifacts displayed with a uniquely modern touch.

A well-restored ancient archaeology site gives a real feel for life during the Roman age.

Ernest Hemingway was the first to sign this colorful wall covered in thousands of celebrity signatures.

A slingshot from this delightful collection is awarded each year to someone who has "pulled metaphorical slings in favor of the weak and marginalized."

This remarkable checkered church on a Corsican hilltop is fabled to have been built by angels.

Resting on a hill overlooking the coast, these medieval ruins look completely deserted save for their restored chapel.

The location of the last witch trials of Italy, known as "The Salem of Europe."

A wood-and-steel sculpture garden featuring an artful interplay of nature and machinery.

The top of society once luxuriated in this world-class hotel, which continues to impress, even in ruin.

A beautiful discovery site of prehistoric burials.

There once was a man named Lear / Who found limericks so dear / His final resting space / Is an unusual place / Most people don’t know he’s here.

The ruins of the castle that chemicals built.

Rare collectibles from automated musical instruments to 250 unique automobiles.

These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

Elegant marble and old vaults fill this historic Dutch bank turned office space.

The World Wide Web was created in this nondescript corridor at CERN.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

Colorful and chaotic stacked hotel in North Holland.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

Tucked away in the Leiden city hall are a group of works by famed artist MC Escher.

This 170-year-old Swiss guesthouse built into the side of a mountain is best accessed by a cable car.