they swim against the shallow currents of these rivers up to their headwaters to spawn and die so that their kind may endure. But salmon are not the only outstanding feature of this Alaska wilderness.

It looked nothing like it does today, and residents could even make use of Alaska's first indoor swimming pool. During its time as a functional mine, around $70 million worth of gold flowed ...

The Bureau of Land Management captured video of a "strange 'thing' swimming" down the Chena River in Fairbanks, Alaska. Follow BI Video On Twitter More from Science The Bureau of Land Management ...