One of the most spectacular bridges in Spain spans a narrow chasm that divides the city of Ronda.

Single runway interrupted by a busy road that cuts across its middle.

This cabin from the 1850s is one of the first structures built by Chinese immigrants in California.

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

It's not your typical library, memorial, or book store.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

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

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

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

These ornate arches show how the course of the River Thames has changed.

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

London's smallest police station is barely the size of a phone booth.

This luxury shopping lane has been protected by its own tiny police force for over a century.

The final resting place of a German diplomat's beloved companion.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

This sculpture combines the literary Alice with her real-life inspiration.

The Brigadier General was so afraid of being buried alive that he had a buzzer installed in his mausoleum, just in case he woke up.

Visit the monolithic tomb of America's most famous general.

The solemn exterior conceals an opulent interior of this 17th century church.

Macabre astrological automaton clock dating to the late 1400s.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".