Model Trains and Much More in Hamburg.

Remnants of an exploded schooner and wrecked submarines form a breakwater.

A tour of underground Berlin takes you through WWII air raid shelters and tunnels used to smuggle people out of East Germany.

The site of the famous Nazi book burning campaign of 1933 remembers its "Night of Shame".

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

Bursting forth from a historic German neighborhood, these day-glo palaces are now a bright fixture in the town.

A German apartment building hosting as many trees as human occupants.

Soaring over 6,000 feet in the Bavarian Alps, this beer garden was once Hitler's 50th birthday present.

A former ironworks that was the first UNESCO industrial site.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

This former Nazi castle was built as a school to train what would have been the future of the Third Reich.

This former steel and coal plant is now a neon-lit industrial fantasia.

Ruins of a German Castle on top of a towering stone pillar.

The fairy tale castle of the "fairy-tale king."

The industrial monstrosity known as Bagger 258 is a colossal mining machine built in the DDR - but now left for dead in a German field.

Take a walk in a recreation of ancient Rome.

This ghost town in Belgium will lose its street art when it ceases to exist.

Invisible bridge parts the waters, invoking biblical images and preserving the ominous feel of an ancient moat.

This miniature take on the Kremlin is one Dutch man's retirement project.

Peek through a transparent pyramid and drink in the mountain made of books.

The world's only museum devoted to the wonders of fluorescence.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

An abandoned Indian-inspired mansion.

Salaguti's live-in museum: a fortress against criticism and consumer art.