National Geographic unveiled its Pictures of the Year. Here are 7 of the most striking wildlife photos.

Tech Insider : Travel, Business
Wildlife in Botswana.
Wildlife in Botswana.

Stephen Wilkes/National Geographic

After 50 cruises, I still wasn't prepared for my first expedition sailing. I wish I'd known how it'd differ from other trips.

Tech Insider : Travel, Travel, Business
Author Megan duBois at Glacier Lagoon in Iceland
Glacier Lagoon in Iceland

Megan duBois

See the most detailed images ever taken of Titanic's wreckage, which was discovered 40 years ago

Tech Insider : Business, Technology
A digital recreation of one of the sections of the Titanic shipwreck
The bow section of the Titanic digitally recreated.

Magellan Limited/Atlantic Productions

National Geographic unveiled its Pictures of the Year. Here are 7 of the most stunning wildlife photos.

Tech Insider
Field specialists examine a North Island brown kiwi.
Field specialists examine a North Island brown kiwi.

Robin Hammond/National Geographic

Stunning video shows Antarctic killer whales appearing to use icebergs as scratching posts, possibly to exfoliate their skin

Tech Insider
image of orcas swimming in antarctic waters
Orcas in Antarctica, photographed in 1981.

Wolfgang Kaehler/Getty Images

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