Stone Age solar temple is aligned with the sun on each equinox and solstice.

A miraculous three-handed portrait of a saint can be found inside this church.

The first museum dedicated to exploring humanity's cultural relationship with the celestial world.

Once known throughout Europe, this tiny and unusually progressive 18th century micro-nation within Lithuania now lies in ruins.

Legend has it that Napoleon Bonaparte fell in love with this Gothic church.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

Things aren't quite what they seem at this mind-bending museum.

An old hill fort covered in over 100,000 crosses is a symbol of Lithuanian nationalism and beliefs.

Russian Orthodox church built on an Antarctic island.

These passages carved from the Antarctic ice hold strange shrines to the harsh southernmost climes.

This extremely remote border crossing was closed to prevent smuggling and looting.

These ancient pecked images are among the oldest and best-preserved in Mongolia.

People have been scribbling on this massive chunk of granite for more than 1,500 years.

A collection of old steam and diesel locomotives sitting in a fenced-off garden.

Hidden treasures belonging to Mongolia's most revered and multi-talented monk spent decades buried in the Gobi desert.

The oldest Buddhist monastery in Mongolia has survived centuries of invasions, political shifts, and religious purges.

A huge communist-era propaganda monument and mural that offers stunning views of the Mongolian capital.

Enormous statue of the Emperor of the Mongols.

Visitors to this museum will find architectural oddities, an art gallery, and an unlikely bird sanctuary.

Walrus skulls and narwhal bones were found here while excavating a 900-year old church.

Greenland's first shopping mall also hosts the country's government.

These eight mummies are the best-preserved human remains ever discovered in North America.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

One Greenland town turned itself into an open air sculpture gallery with the help of a series of traditional stone artworks.