Enormous terracotta heads of Queen Elizabeth and Prince Phillip can be seen on the side of the road to Windsor.

You can spend the night in Dr. Frank-N-Furter's castle.

Human-made caves excavated to hide a secret society of wealthy pagans.

Creating this diorama spurred naturalist Carl Akeley to begin advocating to protect the apes.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

On October 17, 1814, a 15-ft. wave of beer ran rampant through the streets of London.

The Tudor-style cottage in the middle of the square is not quite what it seems.

This magnificently macabre shield shows the power of chivalrous love in medieval times.

On a wall in linear London, a plaque hangs at the high water mark of one of the worst floods in fictional Kcymaerxthaereal times.

A naturally mummified 2,000-year-old man.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

A gruesome and mysterious ancient sculpture of a pagan deity from the Roman occupation of Celtic Britain.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

Here be dragons.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

Cornish legend says these ancient circles were people turned to stone for playing hurling on a Sunday.

The ruins of an 11th-century Norman castle with a rare, perfectly circular shape.

A unique waterfall that some believe attracts the fairfolk.

A whimsical cottage from the 1300s with a preserved Victorian-era post office inside.

The world's largest collection of witchcraft regalia.

Part museum, part piece of Arthurian-inspired history, this stately hall attracts King Arthur fans from miles away.

A measuring mishap led to these artificial stone ladies losing their stomachs.

An architectural oddity hides in plain sight on this iconic London bridge.

Built on the remains of one the Incas’ most important gathering spots, this square keeps the spirit of a fallen empire alive.