The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

The topiary maze at the Habsburg hunting lodge.

A spherical "micro-nation" in the heart of Vienna.

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

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

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

Inside this museum, visitors venture through ghost stories entrenched in Icelandic folklore.

Icelandic folklore says this giant boulder was ripped from the mountains and placed at its current location, where it became home to elves.

This museum dedicated to divination also honors a local 10th-century prophetess.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

This natural Icelandic fissure allows divers to swim right between two volatile tectonic plates.

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

A little-visited waterfall in an otherworldly landscape.

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

An encyclopedic collection of mammal penises.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

Walk in the footsteps of the gods and straddle two tectonic plates.

This modern monument to pagan belief looks like it was transported straight from ancient times.

This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.