A coin-operated washing machine turned jukebox, complete with an outdoor dance floor.

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

The only airport with a people mover system designed by Walt Disney Imagineering.

At one of Berlin’s oldest churches, visitors can place mosaic tiles to help restore a medieval mural.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.