The Herrling Sawmill, originally built in the 1850s, was torn down in the 1920s. An exact copy was built with help from the Kohler Foundation.

Analyze monthly-averaged or daily sea ice extent and concentration via interactive maps. Plot monthly ice extent anomalies, map sea ice concentration anomalies, and more. Use a map-based interface to ...

Camp Century was a feat of US engineering and housed an atomic reactor. It was supposed to be the world's first atomic-powered military base, but it was also something more.