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

Africa's Venice on stilts.

This giant statue is the product of a mixture of corruption, Stalinist architecture, and North Korean manpower.

Despite a fraught and controversial history this African island holds a powerful monument to the tragedy of the slave trade.

Over 4,700 miles of trees being planted to hold back the desert.

This deceptively salty lake looks like blushing pink lemonade.

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.

Landscape of bizarrely shaped desert mountains and innumerable rock carvings.

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

The best-preserved Roman small town in North Africa.

Five ancient libraries, little changed for centuries, preserve a medieval archive of Quranic lore and civic documents

At this faithfully preserved medina off the Moroccan tourist circuit you can walk through six centuries of history in one day.

The largest cactus farm in Africa.

The oldest known university in the world is in Fez, Morocco.

The other side is actually green.

The remains of a magnificent medieval fortress that was the capital of a vast empire.

One of the most spectacular canyons in the world.

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

This isolated structure beckons adventurers with sublime views of the Faroe Islands.

This disused church, left to the elements of the Arctic Circle's forests is open for exploration.

Mound of stones marking the burial site of the world's most famous orca.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The world's first and only escalator for lazy bicycles and their daunted riders.