Cliffs full of fossils at the portal to England's Jurassic Coast.

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

Ancient Egyptian wigs, South American feather headdresses, a bounty of anthropological artifacts in Oxford.

The final resting place of soldiers' loyal canine companions.

Puzzles within puzzles hide a golden treasure in this hedge maze.

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

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

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Fascinating town where normal life interfaces with the occult.

Eighty million natural history specimens call this gargantuan museum home.

Museum about life, death, and cannibalism in the Stone Age.

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

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

Hear the quietest sound from across the dome.

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

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

Northern Ireland's Brobdingnagian stepping stones.

The atmospheric road was never meant to be so creepy.

Famously misunderstood wonder of the ancient world

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the first ‘Harry Potter’ film.

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

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