This sacred enclave was once considered the religious center of Eastern Polynesia.

Red ocher pictographs survive in this tufa rock shelter on the shore of an ancient lake.

Final resting place of one of Africa's most famous conservationists, murdered by bandits.

The world’s largest permanent desert lake is a UNESCO World Heritage Site.

This beautiful, all-in-one museum, private residence, and bed and breakfast houses a rich collection of African art.

Life and death are on parade at the most reliably perilous site of “the Great Migration.”

Strange sandstone canyon known as the "place broken by itself."

Abandoned city hidden from the world by tropical forest and isolation on the coast of Kenya.

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

A salty cave excavated by elephants and the location of a deadly disease vector.

Just outside of Nairobi lies a large estate surrounded by endangered Rothschild giraffes, who have been fed from the window by Mick Jagger and Walter Cronkite.

Drink and dine in a coral cave that's at least 120,000 years old.

Does this 10-foot-tall statue carved into a rock face depict a king afflicted by a skin condition or a Buddhist figure?

This enigmatic stone pool is all that remains of an ancient palace.

Spend the night inside a two-story elephant villa.

Seven beautiful 1,000-year-old rock-cut Buddhist statues.

The ruins of this old church are slowing sinking into the sand.

The remains of a 37,000-year-old prehistoric society were discovered in this mammoth cave, one of the largest in Asia.

Huge herds of Asian elephants can be seen walking, bathing, and just chilling at this Sri Lankan park.

An ancient stone fortress considered by many to be the eighth wonder of the world.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

A turquoise lake within a volcanic crater.

A swing to dangle you off the very edge.

The lost ruins of the forgotten ferry lie hidden beneath the silt.