A bovine sumo match in which both bulls live to fight another day.

The medieval woodcut-style artwork chronicles life in medieval London.

England's most famous front door has an accidental doppelganger.

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

Spend the night in this formerly abandoned traditional Scottish village.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

Famously misunderstood wonder of the ancient world

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

The popularity of Sherlock Holmes led to the creation of his fictional address, turning the orderly London street numbers askew.

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

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

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

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

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

The narrow passages will challenge even the bravest driver.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.