The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

This roadside attraction looks like a flying saucer parked atop the tundra.

At this Arctic outpost, get to know members of the indigenous Sámi community and meet their herds.

The world's largest underwater restaurant is submerged off the southern tip of Norway.

Norway's chilly all ice-instrument festival.

A reconstructed farm shows what life was like in Norway 1,500 years ago.

A small collection of magic tricks and memorabilia is now an apartment-sized museum.

In the northernmost city in the world, it's illegal to be buried because it’s too cold for bodies to decompose.

At the very tippity-top of Europe is a cliff from which you can view the midnight sun.

One thousand trees were planted in Norway to be used to print books a century from now.

Cold storage for agricultural biodiversity.

Home to three historic ships from the age of Vikings.

Walk 2,300 feet above the ground on the "Troll's Tongue."

Iceland's only steampunk shop imagines a retro-futuristic world that never was.

A vintage video game wonderland in downtown Reykjavik.

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

One woman's lifelong collection is on display in this unassuming house on an Icelandic fjord.

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

This elderly couple's hand-picked collection of rare gems is one of the finest in all of Iceland.

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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?