Climb to the top of its spiral spire for spectacular views of Copenhagen.

The art museum is decorated with creatively remodeled pre-Nazi swastikas.

A little-known cafe in an old copper bridge tower with 360-degree views of the harbor.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

A musical instrument played by the sea.

A wonderfully strange collection of 500+ stuffed frogs doing people things.

Where the lovelorn find a home for their sentimental keepsakes.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

The ornate structure is part of a building boasting more marble than the Vatican.

This two-legged horse statue celebrates a beloved cartoonist and his quirky characters.

The world's oldest grape-producing vine has survived four centuries of turmoil and even has its own anthem.

The "dragon babies" of southeastern Europe.

A whimsical bridge adorned with decorative dragons.

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

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

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

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

A church that bred legends, and served as an inspiration for the Da Vinci Code.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

An icon of the Battle of Britain is frozen in flight in a grand Victorian museum.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.