Dictionary Johnson’s favorite feline.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

Don't worry, they don't use antique scissors.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

London's Victorian Tower of Babel.

Meet the bronze beloved pet to a family of famous peeing statues.

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A stairway to heaven, or to nowhere at all.

Two nations form a rare four-sided border at the peak of a mountain, philosophical questions result.

The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

The "Prussian Versailles" that is as glorious today as when it was built.

Germany's Glienicke Bridge has a shady history of clandestine meetings, espionage, and spycraft.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

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

An eerie, derelict amusement park in Berlin.

A tree-like building perches on its trunk in the Steglitz neighborhood of Berlin.

Striking occult iconography on a medieval German church.

There has been an astronomical clock on this spot since the 14th century.

This unusual small wind turbine in Germany has only a single rotor blade.

A kindergarten shaped like a cat with a tail that's a slide.

Modern design and unusual architecture make this mountaintop temple no ordinary Buddhist retreat.

In a city that boasts four separate inclined cable railways, this is one of the busiest funicular lines in the world.

The only visible reminders of an elaborate engineering project that kept the tower from reaching the tipping point.

The world's largest maze is a nature park with nearly 200 decision points.