The ancient heart of Tunis is an enormous maze of narrow streets and alleyways.

A 15th-century granary that played the role of futuristic slave quarters in the world of 'Star Wars.'

The original film set of Luke Skywalker's Tatooine home from the 'Star Wars' trilogy.

Made famous by 'Star Wars,' these troglodyte homes face an uncertain future.

The original movie set for the home of 'Star Wars' hero Luke Skywalker.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This park is home to around 500 bird species.

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

The burial ground of four Buganda monarchs was nearly destroyed by a devastating fire.

Where the White Nile River dramatically cascades between Lake Kyoga and Lake Albert in Uganda.

Once a meeting point for Swahili slave traders, this ancient tree is now a monument to those killed by the slave trade.

The ruins of a massive World War I fort overlook the border between Zambia and Tanzania.

Africa's fourth longest river originates from a burbling spring in a secluded stretch of woods.

A series of caves within the gorge hold artifacts from the Stone Age.

This stunning waterfall is the backdrop to a site that has seen continuous human habitation for 250,000 years.

This fascinating cave is packed with prehistoric rock art and Stone Age tools.

Arrogance and quarreling are forbidden near these three sacred waterfalls.

A secluded natural oasis hidden deep along a rainforest trail.

The stunningly blue waters of these beautiful caves also have a violent past.

World-famous, Pink's still manages to keep its prized cult fetish status.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Former 1954 Del Mar Train Station now serves signature cocktails and delightful culinary treats, and still operates as a Metro stop.

An Airy Would-Be Solution to a Housing Shortage.

This is one really big nut.