This small museum in a 17th-century building honors three iconic Scottish writers.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Ottoman-era houses lovingly preserved.

This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

A small etching on the white marble parapet was written in runic script by a Viking mercenary.

Three columns of volcanic rock shoot out of the ocean.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

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

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.

The most powerful waterfall in all of Europe.

This elegant arc of a waterfall marks a religious turning point.

Climb right into the heart of this colorful Iceland volcano.

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

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

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

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

Rising from the sea like a stone monster.

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

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

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

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The childhood home of Earth's alien chameleon is a humble Brixton flat.