This natural "sea of stones" was once used by the Romans as a quarry.

This steel sculpture made from a recycled crane towers above a former shipyard.

Home to the longest wooden escalators in the world.

A museum pays tribute to the glass-making industry of Sunderland.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

What looks like a crashed Zeppelin is actually a bright, airy reading room perched atop a modern museum.

Striking occult iconography on a medieval German church.

The mass grave of the 27 victims of the "Vampire of Hanover."

A university observatory dome painted to resemble the beloved 'Star Wars' droid.

This rock resembling a turned-up boot has become the symbol of St. Ingbert.

The last bastion of Roman presence north of the Alps looms over a German town.

The "feral child" who appeared in Bavaria in the 19th century remains as much a mystery as his unsolved murder.

The highest cold-water geyser in the world.

Centuries of warfare, tragedy, executions, and poetry come together in this 13th-century fortress.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Before 1993, this historic-looking village—King Charles III's pet project—didn’t exist at all.

The oldest standing concrete bridge in England was also constructed as a work of art.

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

A sense of bewilderment encounters visitors when they happen upon this former railway bridge.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

San Gennaro, the patron saint of Naples, greets pedestrians between these narrow city streets.

An unusual "skull with ears" sits in the crypt of this small church tucked away at the end of a narrow alley.

Open for a weekend once a year around October it houses a fascinating collection of unique Victorian preserved and stuffed animals.