This river island in Sierra Leone is home to impressive biodiversity and the country's first community conservation program.

A newspaper editor turned this abandoned island into a tortoise nature preserve that's now the world's smallest national park.

This deceptively salty lake looks like blushing pink lemonade.

Nature’s skyscraper launches out of the terrain with attitude.

Napoleon’s home in exile, decorated with poisonous wallpaper.

A hiking/biking/exploring trail that winds across over 140 miles of Rwandan shoreline.

At the center of an island in the middle of the Indian Ocean is a deep chasm ringed by tall waterfalls.

This picturesque round lake is said to be home to the legendary Mokèlé-mbèmbé.

This Nigerian nature reserve is home to the longest canopy walkway in Africa.

These ancient giraffes are the largest known animal petroglyphs in the world.

The remains of diamond fever taken over by the desert.

This rusted shipwreck directly in front of a century-old abandoned lighthouse looks almost surreal.

Morocco's Argania trees are infested with nut-hungry goats.

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

Climb atop one of the world's longest and heaviest trains for an unbelievable journey across the Sahara Desert.

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

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

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

Landscape of bizarrely shaped desert mountains and innumerable rock carvings.

Empty since 1989, now falling into ruin.

An 18th-century hideout became a permanent and ongoing residence for one Lesotho tribe.

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

This monument memorializes a violent massacre where colonial police killed 50 striking dockworkers.

This small building is a living testament to the remoteness and warmth of the town that it represents.