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

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

A surprisingly detailed model of one of the most powerful telescopes in the world.

A German apartment building hosting as many trees as human occupants.

This tremendous timepiece was once the largest cuckoo clock in the world.

A rare water-powered funicular, it uses a huge tank of water and gravity to do its work.

Along the banks of the River Rhine lies a park that seems unassuming, but beneath the surface lies a long and fascinating history.

A famed artist's inspiring work of peace and tolerance.

The final resting place of the famed German pilot, the "Red Baron."