A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

One of the most easily accessible examples of the rare 1960s UFO houses.

A fearsome dragon clings to a corner of Munich's city hall.

King Ludwig I's collection of beautiful women.

The patron saint of spinsters grasps a container of dried blood.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Flowers have mysteriously appeared on her effigy every day for the last 150 years.

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

A preserved Nazi labor camp now has a Holocaust museum on site and memorials to the thousands that died while imprisoned at the camp.

A 'living museum' in Leiden, the oldest of its kind in the Netherlands.

The beautiful non-repeating pattern honors the Oxford professor who discovered it.

Legend says this public grazing area hasn't been plowed for thousands of years.

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

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."

These ancient ruins were the final resting place of King Henry II's mistress.

On this wooded path, a stained-glass window creates a spellbinding forest cathedral.

This strategically placed hill fort has served defensive forces from the Iron Age up until the 20th century.

The granddaddy of English geoglyphs dates back to the late Bronze Age.

Scars from the English Civil War mar this medieval sanctuary.

The last known resting place of the king who united England.

This trio of neolithic stone monuments are fabled to be a king and his knights that were petrified by a witch.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

Local lore says passing infants through its holes could magically cure them of measles and rickets.