Dating back to 1812, this is the oldest racecourse in the Southern Hemisphere.

Only two of these trees remain in the natural world, found high in the cloud forest of the island of Mauritius.

The “Thumb” of Mauritius provides a 360 degree view of the entire country.

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

This fortified sand barrier dividing a contested territory is the longest minefield in the world.

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

Ancient Manuscripts showcase the civilization of West Africans during the Middle Ages.

These homes carved into the mountains seem to defy the laws of nature.

The central mosque of this Mali town is entirely built from mud.

This amateur-built East African church with mismatched towers is an architectural abnormality.

A hollowed-out baobab that became the horrific final resting place of leprosy sufferers, with gruesome evidence to prove it.

Fabulous formations, weird and wonderful wildlife.

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

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

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

A fortress-like granary that has been continually in use for more than nine centuries.

Magnificent Roman ruins lie vulnerable to destruction on the edge of the Mediterranean.

A beautiful oasis town dating back to the Roman period still serves as reprieve from the brutal summer sun in Libya.

Landscape of bizarrely shaped desert mountains and innumerable rock carvings.

Kenya’s oldest town is more than 700 years old and home to 6,000 donkeys.

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

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

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.

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