The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

This is part of the Francke Foundation Museum, a curiosity cabinet filled with different scientific and natural wonders.

A smoky doorway in Dakar leads to one of the city’s great communal eating experiences.

The beehive-like buildings of this abandoned resort reside near the border of Mauritania and Senegal.

A tree seems to grow from the ocean floor on this strange strip of sand slowly being overtaken by the sea.

A geological bull's-eye visible from outer space.

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

At the foot of a waterfall lies a peaceful swimming lagoon and evidence of over 60,000 years of human habitation.

Village situated on a narrow volcanic escarpment.

Located in the middle of public park, this cave built in the early 19th century houses an ancient stone sarcophagus.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

A tiny island is connected to the mainland by a private railway that residents travel in their own personal wagons.

Denmark’s never-ending bridge.

This line of 12 tower mills described in the story of Don Quixote is among the most iconic landscapes in Spain.

Natural time capsule containing an alien ecosystem.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

A meditative space out of a fantasy story.

In 806, Kobo Daishi began meditating on Mount Misen. The Buddhist monk lit this holy fire, which has been kept burning for 1,200 years.

Canyon walls shrouded in ferns.

The remote graves mark the mysterious deaths of four 19th century explorers.

An extraordinary natural landscape of mountains, waterfalls, and rocky cliffs riddled with tunnels.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.