The highest paved road in North America winds its way up Mount Blue Sky in Colorado to an altitude of 14,130 feet above sea level.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

Enormous statue of the Emperor of the Mongols.

This newly renovated Soviet-era outdoor exhibition center is bigger than the principality of Monaco.

A monument to Malchik, a stray dog who lived in a Moscow metro station until his tragic death.

If there is one thing you don't want to be in Sweden during Christmas, it's a Yule Goat.

Research station devoted to mysterious floating lights seen in a Norwegian valley.

Winter roadtrips are a little more exciting on this seasonal, slippery expansion of Sweden's national highway system.

No one knows why ancient labyrinths were built on this tiny northern island.

Monastery, army base, and infamous Soviet Gulag in the far Russian north.

World's strongest whirlpool.

Large military radio station without transmitting towers.

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

The world's northernmost aquarium looks like it has fallen over.

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

This lake-bound geographical marker sits at the point where three European countries intersect.

A monument to the defenders of the Arctic in Murmansk, Russia.

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

The people murdered during a 17th-century Norwegian witch hunt have been honored with a pair of stark, modern installations.

The deepest hole drilled in the name of science, where evidence of Precambrian life was found.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

A decommissioned Soviet airplane has been used as a movie theater and a cultural center.

Stunning examples of Russia's 18th-century wooden architecture.

This nostalgic Russian museum is full of USSR cultural artifacts from the 1970s and 80s.