This museum explores the history of the city's public transportation. Its collection includes the world's oldest preserved electric trolley car.

This German fountain of a legendary apple wine-loving drink thief will spit on you.

Fantastic views and thousands of love locks.

Carved fountains poignantly placed in parks and in front of special monuments.

This unique exhibit "Dialogue in the Dark" reverses roles as the visionless become guides and the sighted become ‘blind.’

The world's only silo that was topped by two revolving restaurants has unfortunately been demolished.

From Nazi chemicals to the CIA, this architectural marvel has played a fascinating role in German history.

The entrance to this Frankfurt subway station looks like an old tram car crashed into the concrete sidewalk.

Revitalization efforts converted a former U.S. military heliport into a sprawling urban park.