An illuminated manuscript comprising the life's work of a lone monk, inexplicably decorated with a portrait of Satan himself.

This once-mighty brick factory is now a unique museum experience.

This bed and breakfast is steeped in history and offers guests a unique way to experience nature—glass igloos on a frozen lake.

Finnish lake, and scene of an infamous murder mystery.

Roughly 17 million letters to Santa have found their way to this Arctic Circle post office.

Crawling into this primordial cave may feel disconcertingly familiar.

Quality time with reindeer in the stunning scenery of their natural Lappish habitat above the Arctic Circle.

This fantastical icy castle is built anew every winter.

Rent out a glass igloo to watch the Northern Lights like you live in the future.

A geological oddity topped with a 2,000-year-old pagan temple.

The most visited pilgrimage site in Armenia once held a saint in a pit for 13 years.

With over 10,000 lights, this engineering marvel lights up the city after dark.

This neon lit Georgian cave claims to hold the boulder Prometheus was chained to.

Home to nearly a third of the world's mud volcanoes, Azerbaijan is home to a messy, bubbling, and sometimes explosive landscape.

Swirling layers of white and red rock earned these mountains their festive nickname.

A shrine of fire worship built on top of a natural flame.

Brawny guys rolling around in oil is the oldest regular sporting event besides the Olympics.

No one is sure if the world's fourth-largest diamond had been found in a rubbish heap or was pawned by Napoleon's mom.

This museum was invented in a novel before being made real by the author.

The best-preserved ancient theater in the world.

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

Step back in time and witness the fall of Constantinople.

Legend says if you stick your thumb in the hole and it gets wet your wish will be granted.

Flames have been burning within this mountain for more than 2,500 years.