Inhospitable caverns just beneath this island paradise offer insights into alien worlds.

They squeal, they nosh, they look like predators.

In paradise, feral pigs have claimed an island all to themselves.

Some believe this abandoned Brutalist masterpiece inspired George Lucas's Sandcrawler.

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

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

This monument is a stark reminder of the horrors of the Zanzibar slave trade.

Stay in your own little bubble.

Nelson Mandela lived here with his family from 1946 until his arrest in 1962.

A large-scale steel sculpture entitled 'The Shadow Boxer' pays tribute to Nelson Mandela.

A massive rock in the surf steeped in legends.

All that remains of a Japanese fishing vessel that ran aground in 1982.

Despite many attempts to finish this overpass, it has been abandoned since the 1970s.

The haunting beauty of this little-visited wreck makes it a true hidden treasure.

One of the tallest buildings in Africa provides a great view of Johannesburg's unique geography.

A mesmerizing sculpture marks the site where the activist was arrested after evading capture for 17 months.

A safari-themed castle in the South African bush with the largest maze in the southern hemisphere.

A growing popular hipster market with over 100 local specialties and live music.

Largest cave system in Africa.

Haven for Cape Fur Seals, until the Ring of Death of jumping Great White Sharks arrives.

Formerly known as the Malay Quarter, Bo Kaap is a colorfully-painted suburb located in the “Mother City” of South Africa.

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

This vestige of Seychelles’s colonial past now resides in a busy intersection and didn’t chime for its first 96 years.

A schooner, nicknamed "The Unsinkable," with a long history of survival in the Indian Ocean.