Underneath a chalk hill in France lies what Hitler hoped would be the underground launching base for a devastating new weapon.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The prototype for all Nazi concentration camps.

In this truly magical place, rent hasn't been raised since the year 1520.

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

Climb inside an iron crystal magnified 165 billion times its normal size.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

Bordered by forest on three sides and the ocean on the other, the Great Dune of Pilat is the highest sand dune in Europe.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

Fascinating town where normal life interfaces with the occult.

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

Famously misunderstood wonder of the ancient world

65 million-year-old chalk outcroppings mark the end of the Jurassic Coast.

A museum based on the collection of a Victorian family. Housed in a remaining Victorian villa.

Huge winged monument in the United Kingdom.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

WWII artifacts, including the building itself.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

A hundred copies of Antony Gormley's naked body stare out across the water.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

The longest and tallest aqueduct in Britain can actually be sailed across.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

Astonishing rock formations dot the Brimham Moor landscape.