A hidden church in a hidden courtyard tells the story of the Miracle of Amsterdam.

A unique work of automotive art calls this shopping center home.

This unattributed sculpture in Amsterdam is hiding in plain sight.

This plaque marks the former home of one of the first women physicians in the Netherlands.

A set of seven houses, each built in a style that represents a European country.

A bike traffic circle showcasing the works of local graffiti artists.

Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

There are two dozen tanks just sitting in an open field in Lower Saxony.

A decomissioned facility where the German "Transrapid" maglev trains were once tested.

Dancing skeletal figures pay homage to a medieval mural destroyed during World War II.

A tilted half-timbered house from 1672 is built into a salvaged segment of a medieval wall.

Twelve sweet, nutty, life-sized statues are housed in this second-story shrine to almond paste.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The bells remain in a shattered heap exactly as they fell when the church was bombed in World War II.

A stunning two-story timepiece within a medieval Brick Gothic church.

A statue honors the local legend that the devil helped build St. Mary's church after being tricked into thinking it was going to be a wine bar.

Model Trains and Much More in Hamburg.

Hamburgers are intensely proud of their tunnel beneath the river.

Hamburg's first legal sex work is relegated to a gated street that still does not allow pedestrian women.

This wooden hotel is a temple to German sustainability and forest conservation.

This contentious squat has stood through fire, violence, and government intervention as a hotbed of leftist protest.

Once the tallest building in the world, this abandoned church is now a monument to the destruction of WWII.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.

What looks like an ordinary house from the outside is actually a rotating sculpture.