A jaw-dropping "megalibrary" that turns book-browsing into a geometric adventure.

Extraordinary sculpture garden created by an eccentric English poet.

Superstitious? Discover the witchy side of Mexico through its largest esoteric market.

A gargantuan crystal kingdom.

These azure waters were thought to lead to the Mayan Underworld.

The runoff from these fiery cliffs sends red water flowing into the sea.

Giant disc-shaped gate took 20 men to close off this city in Madagascar.

Now home to nothing but a weather station and a landing strip, a group of enslaved people were marooned on this tiny island for 15 years.

See hundreds of herons and egrets in the heart of the city in this dreamy hidden park.

This underwater cave in Madagascar is home to what is thought to be the country's largest fossil graveyard.

Fabulous formations, weird and wonderful wildlife.

This picturesque island graveyard is the final resting place of dozens of notorious pirates.

The centuries-old trees lining both sides of this dirt road may become Madagascar's first natural monument.

Hidden in the hills is a mysterious stone structure, known only to a few.

Over a million items cram the shelves at Africa's largest shop of used and rare books.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

This African beach is home to thousands of rare mainland penguins that are known for their annoying voice.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

A South African bar inside a hollowed out 6,000-year-old Baobab.

A nondescript dirt lot hides an intriguing center of shamanic healing.

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

An exceptional assortment of fossils recovered from private collections.

Dinosaur eggs were first discovered at these fiery red cliffs.

A jagged silhouette of shamanistic stone heaps rises from the shore of this dazzling mile-high lake.