The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

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

The last bastion of Roman presence north of the Alps looms over a German town.

Tiny castle in the middle of the Rhine made you pay to pass.

A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The Habsburgs' royal collections of art and wonders.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

An Austrian house of bones filled with hundreds of intricately painted skulls.

Dress up like a miner and take a slide into the disco-lit depths of this once foundational salt mine.

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

The "Prussian Versailles" that is as glorious today as when it was built.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

King Ludwig I's collection of beautiful women.

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