In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

This solitary monastery may hold the remains of Vlad the Impaler (but probably not).

This once-derelict building is now one of the most beautiful bookstores in the world.

400-year-old garden, restored to beauty.

A fantastic castle rumored to be the birthplace of King Arthur.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

Famously misunderstood wonder of the ancient world

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

This elegant arc of a waterfall marks a religious turning point.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

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

The astonishing collection of an infamous criminologist.

These 20-foot jaw bones honor a time when the leviathan bones were a sign that whalers survived the hunt.

The view that inspired the scenes of Dracula's first landing in England.

A fake medieval village in the middle of Turin.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

This small town in the Netherlands has no roads but instead, miles of canals and over 100 bridges.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

Birthplace of the "Cat in the Cradle" and a cluster of iconic, original windmills that let the Dutch tame the seas.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

The glowing blue Nymphaeum of Emperor Tiberius.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.