How did a lighthouse wind up in the middle of this landlocked German city?

The beautiful, ornate weather station is the most popular geocache in Salzburg.

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

This strange statue features a bust of the famous composer plopped atop a woman's body.

North Korea's massive art and propaganda factory now has an official gallery space in Beijing.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

The largest mosque in Germany.

Twisted buildings adorn the banks of the Rhine river.

Statues of a fire-breather, a clown, and a whole performing troupe celebrate Luxembourg's creative side.

This magenta statue commemorates the legendary marriage between a mermaid and the city's founder.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

A former ironworks that was the first UNESCO industrial site.

A thought-provoking outdoor art installation sits in the seat of German law.

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

A small square plaque marks a failed assassination attempt that could have changed history.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

A fearsome dragon clings to a corner of Munich's city hall.

"Leave a He-Man, Take a Transformer" and share a story about your real-life superhero.

Lie in a hammock where George Washington stood.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

The only subway station in the city that still makes use of gap fillers.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.