This section of the Kennet and Avon Canal has been designated the same level of heritage protection as Stonehenge.

This church is said to have connections to the Knights Templars.

Mountain where Jesus was first tempted by the Devil.

The recovered bones of martyrs slaughtered during The Terror are on display in this church crypt.

Fonts are born and bred here at the oldest letterpress type foundry in the United States.

Art from the latest counter-culture; kids who dye their hair blue and believe the future will be a post-apocalyptic water world.

Adolph Sutro's little-known, geographically inaccurate, deprecated monument.

Nancy Thompson's Home from "A Nightmare on Elm Street."

This tribute to the founding father of the American dictionary originally contained a spelling error.

Made famous by "Star Wars," these troglodyte homes face an uncertain future.

More than 5,000 contemporary and "historic" mustards from around the world.

An homage to the humble watering can.

17th-century merchants in Bristol nailed their deals by placing money on these pedestals.

The geoglyph once sported a glass bottle eye.

The biologist's fossilized headstone was meant to reflect his love of nature. Its, ahem, unusual shape is probably just a coincidence.

The unusual stilted beacon is the town's only active lighthouse.

An ornate century-old elevator still connects the two halves of Bad Schandau.

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the century.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.