A strangely forgotten claimant to the much contested title of "Source of the Nile."

A desert that rolls right up to the ocean, where it's so dry animals live off the fog.

This "dead marsh" sits among the largest sand dunes in the world, a forest frozen in time.

Unexplained bald patches in the landscape grow and recede over time, as though they are somehow alive.

Bizarre living fossil only grows in a small chunk of the Namib Desert.

An odd little fishing town that is inundated by tourists looking to be locked up in a cage and surrounded by great white sharks, because why not?

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

Kenyan restaurant is a carnivore's paradise, serving exotic meats at its ultimate 'Beast of a Feast.'

Get tall with nature's lankiest beasts and their warthog friends at this Kenyan preserve.

Human ancestor’s 3.6 million year-old footprints.

After sunset the heart of Zanzibar's historic Stone Town neighborhood transforms into a culinary playground.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

The deepest underground city in Turkey was designed to protect 20,000 people behind massive stone doors.

Popular tourist destination where witches in dark hats sell dried llama fetuses for good luck.

In this historic region, homes and churches are carved into ancient volcanic rock formations.

The longest continuous lava tube in Oregon.

A turquoise lake within a volcanic crater.

The oldest museum in Russia is home to a fascinating collection of nearly two million anthropological artifacts and anatomical curiosities.

Massive stele returned to Ethiopia after 70 years in Rome.

Supposedly this Ethiopian chapel holds the Ark of the Covenant, guarded by virgins who cannot leave the building.

An Ethiopian "Jerusalem" featuring a church hewn out of a single rock.

A public fountain that spouts "health water" from a nearby spring.

A morbid gateway to an Alaska town prides itself on the hunting history it represents.

The largest prehistoric ruins south of the Sahara, once a powerful center of international trade.