"Our tourism offering is centred on what is unique about Northern Ireland, including our stories, " he said.

BBC: Historic assets 'could bring thousands of jobs'

More tourism will raise public awareness about Antarctica's unique ecosystem but there are also fears about higher traffic to the region.

CNN: Antarctica: March of the tourists

With more than 74 million unique monthly visitors, the company covers 2 million tourism businesses in over 116, 000 destinations across the globe.

FORBES: TripAdvisor Can Tap Big Mobile Growth With Samsung's Help