Host to the annual Festival of the Snakes.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

America's oldest Eastern European synagogue provided the immigrants of crowded Lower East Side tenements a space of sanctuary.

Become a prohibition rebel.

One of only two commuter aerial tramways in the United States.

A crumbling hospital from the 1850s on Roosevelt Island.

This monumental work of art symbolizes the coming together of a previously divided city.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

A fascinating insight into daily life in the Eastern Bloc.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Canada's subterranean Cold War museum has doubled as a movie set.