A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

This small museum once served as a royal hunting pavilion for King Otto Friedrich Ludwig.

This gem is often wrongly overshadowed by the larger, newer Metropolis church in Athens.

A serious museum dedicated to two German comedians.

The telescope that discovered Neptune.

The footprint of a frustrated devil in Munich's Cathedral.

Its humdrum facade only adds to its electrifying appeal: a rooftop with panoramic views of a shapeshifting metropolis.