A seemingly minor trickle of groundwater beneath Alaska’s tundra is quietly releasing vast amounts of carbon into the ocean.

From the summer cruise season to the snowy winter, these are the best and worst times of the year to visit Alaska.

That's how it is in ... the summer months, birds such as arctic terns, swans, cranes, geese, and ducks also make this wilderness their home. Aside from Kobuk Valley's unique sandy landscape ...

The gigantic US state is a vast landscape of mountains ... that are readily available in the bigger cities. Alaska has a fairly cold climate that varies in extent throughout the year, but the summer ...

For millennia, people including the Tlingit and the Iñupiat flourished in this harsh landscape ... temperate summer days. Even today, Alaska has little by way of highways or railroads, so ...