Antarctica 277 - Port Lockroy
Port Lockroy is an operational UK research station and home to large colonies of penguins. Very isolated, as well as research they operate a year-round visitor centre and living museum of life in the Antarctic station over the last 150 years. Tough lives they were. Bonus, you can get your passport stamped here (technically not legal, but everyone does it) and send mail and postcards via the UK post.