Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

This 13th century Gothic brick castle is the largest in the world by surface area.

Started as a kitchen garden, now the second largest botanical garden in the world.

Blending modern art with Baroque architecture, this wondrous mosaic grotto serves as the late artist's final creation.

Striking occult iconography on a medieval German church.

After this historic church was destroyed by World War II bombing, its blackened shell was left standing as a monument.

A bronze statue of Momo, a girl holding a huge ear, sits waiting to listen to anyone who needs it.

This gilded emblem was once stolen by a Cookie Monster impostor, who demanded a charitable ransom for its return.

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

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

This massive subterranean fissure is known as the "underground Grand Canyon."

The cutest way to stay safe in traffic.

This poignant tribute to the White Rose movement showcases artifacts related to the heroic anti-Nazi struggle.

This massive statue is the personification of Bavaria and the first colossal statue of the modern period composed of bronze.

The unusually large seat sits atop the base of a ruined temple.

Oddly enough, a pair of Wolfs funded the construction of this Little Red Riding Hood sculpture.

This tribute to the 16th-century composer is now an unusual shrine to Michael Jackson.

A giant snail sculpture looking longingly at the German traffic museum.

This beautiful 19th-century temple stands atop the ruins of its predecessor.

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

King Ludwig I's collection of beautiful women.

This century-old cinema house has a marquee that has been hand painted by a single man for over 25 years.

Go surfing on this urban wave, "hacked" by local surfers.

One of the most easily accessible examples of the rare 1960s UFO houses.