Chad
Guelta d'Archei
Camels and crocodiles share the black waters of this stunning Saharan oasis.
Places I want to go
Places on this traveler's wishlist.
Chad
Camels and crocodiles share the black waters of this stunning Saharan oasis.
Venezuela
This everlasting lightning storm may be the world's largest generator of ozone.
Vanuatu
This South Pacific volcano has been blowing its stack for over 800 years and is said to be home to a cult leader waiting to be reborn.
Democratic Republic of the Congo
Mount Nyiragongo has erupted at least 34 times since 1882 and is home to the world's largest lava lake.
Waitomo, New Zealand
Tubing through a cave lit with glowworms is a magical underground experience.
Afar Zone 2, Ethiopia
The hottest place on the planet.
Shendi, Sudan
These Nubian pyramids are strange and unique, even by pyramid standards.
Iceland
Climb right into the heart of this colorful Iceland volcano.
Isle of Staffa, Scotland
This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.