Puppet theater and museum holding a collection of more than 300.

From Iggy Pop to David Bowie to Nick Cave, this regal music studio has served some of the all time greats.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

From toys to kettles to scientific instruments, this German museum celebrates the beauty of 20th century design.

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.

Monsters and miniatures are held in equal esteem at this wondrous museum.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

The 19th-century pharmacy (now a used bookstore) was featured in James Joyce’s "Ulysses," and has changed very little to this day.

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

The oldest public library in Ireland.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

Local legend says the remains of Father Christmas lie within the medieval grounds.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This natural crater along the coast of Jersey may take its name from the devil statues who have watched over it.

Mysterious chains and iron stakes adorn this strange grave, with no explanation.

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

This remote island village was in danger of depopulating completely until a tunnel was built to connect it to the rest of the world .

This remote eatery and museum is preserved as a time capsule of a small Icelandic fishing town.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

The oldest church in Iceland is one of the few to feature ornate decoration.

Three columns of volcanic rock shoot out of the ocean.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.