The real life town from the Pied Piper of Hamelin has a mechanical puppet show that retells the famous story many times a day.

According to a satirical conspiracy theory that persists today, this German city of 300,000 is a hoax invented by the CIA.

This unique Renaissance castle was turned into a home for Nazi occultism.

The "dragon babies" of southeastern Europe.

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The modern birthplace of Irish freedom.

The alleged birthplace of Lady Jane Grey, who was executed at age 16 for claiming the throne of England.

A miniature village mimics the surrounding buildings so well it includes itself.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

An open air haven for tropical monkeys in the damp moors of the English country.

Seat of the Duke and Duchess of Devonshire for centuries.

Follow the original medieval paths that wind through this intriguing section of the city.

One of the few standing Roman lighthouses and a labyrinth of tunnels are a couple of the secrets at this historic castle.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Largest lake in Great Britain measured by surface area.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

The largest greenhouse in the world is home to over one million types of plants.

400-year-old garden, restored to beauty.

Eighty million natural history specimens call this gargantuan museum home.

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