Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

Strange rumors surround the artist who created these solemn metal guard dogs.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

The "dragon babies" of southeastern Europe.

A miniature train-ride through Slovenia's largest cave system.

This one-time health resort was used by aristocrats around the world.

This massive subterranean fissure is known as the "underground Grand Canyon."

Castle and secret tunnel withstood a siege until its owner was killed by the Holy Roman Empire, while sitting on the toilet.

Balconies that have a most unusual accent.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

The small peaceful island off the Venice tourist circuit is where the city began more than 1,500 years ago.

This community on a small Venetian island has taken to painting their houses in bright neon hues.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

Started as a kitchen garden, now the second largest botanical garden in the world.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

Famously misunderstood wonder of the ancient world

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

The shop where the girl who inspired the beloved character once bought sweets is now a book-themed commercial curiosity.

This centuries-old pub boasts a collection of more than 4,500 snippets of neckties from around the world.

One of Europe's oldest libraries.

Home to the most complete dodo remains known - one head, and one foot.

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.