The home of half the world's population of critically endangered mountain gorillas.

Iconic pyramid from famed British architect Norman Foster designed to represent all of the world's religious faiths.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

Frida Kahlo's childhood home, now a museum of her life and works.

An Aztec temple, the largest man-made pyramid in the world, sits buried in earth with a Spanish church set on top.

A 500-year-old series of tunnels long believed to be folkloric was uncovered beneath the streets of Puebla.

High atop a Mexican rainforest mountain, this ancient pyramid once drew pilgrims countries away.

This ceremonial Mexican square looks as though it belongs in a science fiction movie.

The winter home of millions of migrating monarch butterflies.

Two waterfalls flow down the cliff faces decorated with rare natural basalt columns.

A dark tunnel leads to a striking white crater that seems to be from another planet.

Many historians today consider Sverre as Norway's greatest king of all time. 

This Taiwanese promontory is covered in otherworldly hoodoo formations.

Brawny guys rolling around in oil is the oldest regular sporting event besides the Olympics.

If you want to get married in the White Marble City of Ashgabat, you should do it in this surreal disco ball building.

An eccentric dictator's take on a Turkmen version of Disneyland.

A huge monument to a bizarre book written by Turkmenistan’s longstanding dictator.

Sumptous memorial to a controversial independence.

A dictator's gold statue once rotated to face the sun on a 75-meter high marble tower.

A fiery crater has been burning in the Karakum Desert since 1971.

This cavernous swimming spot doubles as a home to the largest known colony of bats in Central Asia.

A cemetery with goat-horn bedecked gravestones.

Iranian tombstones shaped like male and female sexual organs.

Once a bustling fishing port, this semi-ghost town is now more than 90 miles away from the shore.