Climb right into the heart of this colorful Iceland volcano.

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

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

An encyclopedic collection of mammal penises.

This fantastical waterfall is hidden in a cave located in a cracked cliff.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

Rising from the sea like a stone monster.

Staves, storm-calling, and of course, necropants.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

Medicinal spa created with the discharge from a geothermal energy plant.

Bored potato-guarding Nazis etched their thoughts onto a brick storage building in Copenhagen's Meatpacking District.

Museum on earth sciences featuring a recreation of a famous curiosity cabinet.

The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

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

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

This sublime architectural marvel is a rare example of an expressionist church.

Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

Opulence and fantasy collide in this royal chair which is supposedly made with unicorn horns.

A small concrete monument remembers a German cold case involving incest, farm tools, and psychics.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.