London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

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

The monumental home of Prussia’s eccentric "Cannon King."

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Once the home of a hermetic monk, this cave now houses a small church.

Once a place of peaceful repose, this sanitarium now faces an uncertain future.

Hiding amid the largest camellia collection in the country lies a charming children's maze, donated by a secret admirer.

The home of one of California's most important horticulturalists wilts amidst a lovely park.

A popular winter vacation destination for migrating monarch butterflies.

Colorful Native American paintings are hidden within this small cavern.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

Known as the "Hobbit Houses," these storybook homes look like they're straight out of the Shire.

Enjoy all the trappings from 1912 aboard this Titanic-themed restaurant.

This 1920s railway depot is now home to two unique museums complete with a miniature train ride.

A Cold War site complete with rusty structures, hiking trails, and beautiful views.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

This preserved village shows the modest lifestyles of the area's 19th-century Chinese gold miners.

60 feet of towering steel balances gracefully.

"The only replacement for a DC-3 is another DC-3."

Home to secret Eastern Bloc spy equipment and the largest stretch of the original Berlin Wall outside of Germany.