This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Oldest World War 2-themed museum in Western Europe.

How did a lighthouse wind up in the middle of this landlocked German city?

A church filled with the bones of hundreds of virgins martyrs—or so they say.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

An elegant chandelier hangs over this ancient sewer chamber, now open for concerts and public tours.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

This 19th-century fountain features sculptures of little gnomes that help with chores.

Life-sized bronze statues of fictional puppet characters.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

The body of at least one victim of a construction accident was left behind in the collapsed pylon, buried under tons of concrete.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

A radio telescope for listening to the stars, based in one of the cloudiest countries in the world.

Every winter, this former planetarium is transformed into a massive, brightly-lit Christmas ornament.

Preserving the research tools, unexpected inventions, and odd collections of generations of college professors.

The world's tallest church tower reveals a spectacular view to anyone up to the task of climbing the daunting staircase.

The final resting place of soldiers' loyal canine companions.

A six-ton wedding present for the King of the Scots.

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

At the base of this tower, a plaque marks the original center point of the Netherlands.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

A mural recalls a fictional woman who once lived at 23 Quai du Commerce, 1080 Brussels.

Intricate metal sculpture that's half gothic cathedral, half construction equipment.