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

Every equinox this Maya pyramid puts on a spooky ancient light show.

Extraordinary sculpture garden created by an eccentric English poet.

This small group of sand dunes manages to pack in a strange rainbow of colors.

Iran's colorful terraces are a rare geological masterpiece.

It's hard to believe the dizzying patterns covering this abandoned mine are completely natural.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

A small island with shimmering pink sands, home to loggerhead turtles and rare plants.

Cave on extinct volcano, once home to famous mathematician Pythagoras.

The hallucinogenic center of the ancient world.

A glass and sculpture wonderland forms an oasis in a remote part of Kenya.

One of the tallest waterfalls in Africa is also home to a population of monkeys who enjoy the waters and the occasional guest.

Exploring the wilder, more passionate sibling of Erg Chebbi feels like discovering a secret sun-kissed planet from another galaxy.

A modernist church in an ancient village.

On La Gomera, "Silbadors" communicate in a 4,000-word language of whistles.

This magical space partly designed by Antoni Gaudi is one of the best examples of romantic gardening in the Mediterranean.

An architect transformed this abandoned cement factory into his castle-like workshop.

Wonderland replication in progress by one persistent man.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Roman ruins top white travertine terraces formed by ancient hot springs.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

This museum dedicated to divination also honors a local 10th-century prophetess.

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

This elegant arc of a waterfall marks a religious turning point.