The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

This network of narrow, medieval passages has the most delightful name.

This former abandoned hospital, a complex of stunning 19th century buildings, once housed 2,000 psychiatric patients.

This 1920s Dutch barge is now a floating bookstore.

Hidden beneath the streets of London is a secret subway that only carried mail.

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

This macabre painting of a Shakespearean scene looks like something out of a nightmare.

The Bristol Camera Obscura housed in an ancient windmill.

This ruined 15th-century hermitage is steeped in myth and mystery.

From here, the loch appears to take the shape of mainland Scotland.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

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

This disused Cold War bunker has been restored to all of its early 60s glory.

Putting the "mod" in "modular" since 2000.

This extraordinary Viking artifact has traveled throughout the city.

The Liverpool street made famous by the Beatles is real.

Built to hold the worst of the worst of the Nazi war prisoners.

This waterfall is one of the most spectacular natural features in the Scottish Lowlands.

Overlooking a Scottish loch, this beautifully crumbling castle once inspired a poem by William Wordsworth.

Near Birmingham, England three and a half miles of top-secret tunnels housed a World War II “shadow factory” and a Cold War nuclear bunker.

This Roman amphitheater is said to be King Arthur's legendary Round Table.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

This Welsh village gave itself a ridiculous name in a publicity stunt a century ahead of its time.

One family's environment-friendly hobbit-house in Wales.