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

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The curios of pharmacist and collector Henry Wellcome.

The plunge pool is a surviving relic of a rowdy royal residence.

The first geometric self-supporting spiral stairs in Britain are a truly beautiful sight.

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 tribute to Sunderland's mining past stands outside the home of its football club.

This iconic 1,000-year-old medieval castle is a favorite of the film industry, most notably as the location for Hogwarts in Harry Potter.

One of the largest single-span stone-arch bridges in the Balkans looks like something straight out of a fairytale.

The former Nazi Germany concentration camp stands as a museum to remember this dark chapter in European history.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

A narrow passage next to a cafe leads to a courtyard exploding with murals, tags, and paste-ups.

These quintessentially English stepping stones were built for Victorian tourists.

This century-old grotesque has a mysterious history and may not actually be a rabbit.

This sculpture commemorates a naturalist and an illustrator whose work was a forerunner to modern field guides.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

A king's pet, a pope's gift, an artist's inspiration, and a tragic shipwreck.