Antarctica
Each year, scientists from 28 different nations conduct experiments not reproducible in any other place in the world. In the summer more than 4,000 scientists operate research stations; this number decreases to just over 1,000 in the winter. McMurdo Station, which is the largest research station in Antarctica, is capable of housing more than 1,000 scientists, visitors, and tourists.
Northeast Science Station (Russia)
The Northeast Science Station of the RAS () is an Arctic research station located in Chersky, Sakha Republic in Northeast Siberia. It is one of the world's three largest Arctic stations.