A small etching on the white marble parapet was written in runic script by a Viking mercenary.

One of the newest mosques in a city filled with thousands.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

This half-forgotten fortress was constructed by the Ottoman conqueror of Constantinople.

A boiling wellspring flowing with natural gas burns in a continual blaze.

An ancient fortified mound raised over the millennia from settlements built one on top of the other.

An archaeological site believed to be the burial place of the "mother of us all."

A MiG-17 fighter jet sits atop this memorial to the indiscriminate bombardment of Hargeisa.

Vast stretch of tide-pools with a unique Moroccan charm.

God's Saharan sandbox of wrath.

The designated Jewish quarter in Fez dates back to the 15th century.

The other side is actually green.

Traditional 11th-century outdoor tannery.

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

Fortune tellers, snake charmers, poets, and storytellers all gather on this historic square in Morocco.

It took 40 years to build this Eden-like garden in Marrakech, later restored by Yves Saint-Laurent.

The dead gigantic radio tower of Liberia.

Empty since 1989, now falling into ruin.

A comprehensive museum dedicated to Africa's oldest modern republic.

Not your average art gallery, this massive center hosts 8,000 works from artists across Africa—and it’s free to the public.

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

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.

This road winds through the steep coastal cliffside offering spectacular views for those who brave the drive.