An exhibition of preserved locomotives housed in a 1950s depot shows the history of Denmark's railway.

Remnants of the Nazis' occupation of Denmark linger along the sand.

When this Iron Age bog body was discovered in 1835, it was thought that she had died recently.

Mounds, rune stones, and a 1,000-year-old church, left behind by Denmark's first two kings.

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

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

The monument honors the first (and for a long time, only) African-born philosopher to teach at a German university.

It has an American Dream Car exhibit, Europe's largest Formula One collection, and many, many mannequins.

Amöneburg is a town perched on top of a basalt mountain in the middle of an ancient meteor crater.

A subterranean display of public art and architecture.

This small Bavarian graveyard is filled with empty graves for German soldiers lost during the World Wars.

One of the most iconic neon ads of former East Germany.

The difficulty of getting a good night's sleep is an age-old affliction according to the one-of-a-kind Snoring Museum.

A steam powered train that runs on city streets.

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

A rare example of a German cemetery with traditional grave markers dating back several generations.

The prison where Hitler wrote "Mein Kampf," and 278 Nazis were later executed for war crimes.

An abandoned underground bathroom is now a space for public art.

As lake waters recede, a German village reemerges after more than a hundred years.

Crop circles inspired this whimsical garden in Germany.

An ornate century-old elevator still connects the two halves of Bad Schandau.

In this truly magical place, rent hasn't been raised since the year 1520.

The beautiful bas-relief lines a sliver of a 19th-century walking path between two charming French villages.

Old vessels have been transformed into artistic canvases in this unusual cemetery.