This stunning Brazilian library contains the largest collection of Portuguese texts outside of Portugal itself.

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

The scars of World War II are preserved on its walls.

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

These bronze pamphlets remember a remarkable group of Germans who fearlessly opposed the Nazis in the very center of their power.

This airport currywurst stand is made out of retro airplane parts.

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

This red London phone booth once stood in front of Buckingham Palace and was used by the queen.

Four-story slides send people whizzing through the math department at this Munich university.