Micro-nation based around a nine-story high illegally built tower.

A rare surviving Victorian greenhouse designed specifically to house giant water lilies.

Crooked windswept pines give this old forest an enchanted and magical look.

An ancient Viking runestone hidden in plain view in Stockholm's old town.

Dine on food tied to Viking history and legend at this subterranean Stockholm spot.

The world's first ice hotel is still one of the most elaborate and beautiful.

The world's largest model of our planetary system.

It houses the remains of a 17th-century version of the Titanic.

A series of modernist treehouse hotel rooms grace the outskirts of an Arctic forest.

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

An incredibly durable timepiece glows beneath shoppers' feet.

Hidden deep in a forest is this geological wonder carved by glaciers.

In the Hugging Tree Forest, lingonberry marshmallows, hot chocolates, and the best campfire lattes north of the Arctic Circle come to you.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

This disused church, left to the elements of the Arctic Circle's forests is open for exploration.

A 246-foot-high revolving restaurant rises unexpectedly from a forested Finnish hilltop.

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

A replica of the home of a famous fictional troll family.

The smallest restaurant in the world.

A beautiful Arctic museum and nature center preserves the culture of the Sámi people.

A little-known sculpture park of contemporary environmental art in a Lapland forest.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

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

Legend has this precariously placed rock was placed by giants. Science has another explanation.