A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

The first museum in the world devoted to sexual gadgetry.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A church of bones, decorated with 40,000 human skeletons.

Macabre astrological automaton clock dating to the late 1400s.

A Jenga-style cylindrical tower of books that appears to go on forever.

Two stunning 17th-century libraries and a cabinet of curiosities.

Dedicated to this region's early settlements and rich history of salt mining.

Designed as a reminder of one of the darkest moments in Austrian history.

The world's oldest known salt mine.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

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

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

Apartment complexes built into huge repurposed natural gas tanks.

The topiary maze at the Habsburg hunting lodge.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

Internet rumors, often involving Icelandic singer Bjork, have abounded regarding this isolated outcrop of rock.

A Wes Anderson-esque lighthouse that boasts magnificent coastal views.

On an island south of Iceland, a large volcanic rock formation resembles an elephant.

A modern Nordic Pompeii on the Icelandic island of Heimaey.

A "simple-hearted artist" turned an isolated Icelandic valley into his own art museum.

This beautiful, historic church looks like something out of a simpler past.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.