Changing climate in Antarctica With the beginning of the industrial revolution in the early 18th century humans began pouring CO2 into the atmosphere – first from burning coal, and later from oil and gas. Since then this period of anthropogenic climate change has led to a global warming of about 1˚C.

On the southern-most tip of the planet rests one of the world's most massive and mysterious landmasses - the frozen realm of Antarctica.

Not sure when exactly to travel to Antarctica? This calendar of what you can see during different stages of its spring and summer season might help you decide. As the sun returns to Antarctica after its long winter, a wealth of wildlife can be seen throughout the spring and summer season. Each period showcases different stages of the cycle of life, including courting, nest-building, giving birth to new life, and raising their young.

Located off the Antarctic Peninsula’s coast, Port Lockroy is a natural harbor with two ship visits per day during summer, making it Antarctica’s single most visited site.

The iconic wildlife of Galápagos – from giant tortoises to scaly iguanas – is for the most part unbothered by human presence, making photographic encounters all the more rewarding.

With towering mountain ranges, deep fjords and vast forests, Alaska offers a diverse landscape that caters to an impressive variety of wildlife.