Someone loved this song enough to carve all of its lyrics onto a tree trunk in a Berlin park.

A unique Holocaust memorial tells the personal stories of the Jewish residents exiled from greater Berlin.

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

An eerie, derelict amusement park in Berlin.

Where once there was a train station bathroom, there is now this German burger joint.

A slice of central Asia in the middle of Berlin.

This futuristic German spa allows visitors to float in a pool of salt water while zoning out to underwater techno.

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

Step into Narnia at this small park featuring statues from "The Lion, the Witch, and the Wardrobe."

The only monument to name all of the passengers and crew who died on the RMS Titanic.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

Nestled atop a wind-swept crag in the Scottish Highlands is a lonely memorial to a beloved hiker.

This cramped crevasse saw the entire population of its island suffocated inside its depths.

A hidden tunnel leads to a medieval queen's shrine buried beneath a parking lot.

A remnant of the Roman army's presence on the coast of Scotland.

This former train tunnel is filled with lines from a poem crafted by Robert Louis Stevenson.

One of Edinburgh's most popular works of street art is located well off the beaten path.

This hill nestled in the Scottish lowlands was a ritual site for over 4,000 years.

An American ghost town hides along a side street in Scotland's capital.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

These fantastically named natural pools look like something out of a Scottish myth.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

The ship built to ferry passengers and goods to the doomed Titanic is now the last remaining White Star Line vessel.