Model Trains and Much More in Hamburg.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

Cat art as far as the eye can see.

Located in an old church, this brewery produces a different kind of holy water.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

Berlin's old airport.

An abandoned NSA listening post on Berlin's "Devil's Mountain."

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

The most visited, and possibly most controversial, museum in Germany.

Elevated freight railway turned wildly successful urban park.

This historic stone bridge has an entire neighborhood clinging to its sides.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

The castle where Martin Luther secretly translated the New Testament from Greek to German while in hiding.

Sweden's oldest animated sign is still lighting up the skyline today.