To learn more about history and culture in the area, you can visit the following museums.
Olnispagården village museum in Sälen
Rot skans in Älvdalen
Lomkällans forestry museum in Särna
Fulufjället Nature Museum in Njupeskär Falls, West from Mörkret
All are worth a visit, food is also served there.
Sörsjön is where Dalarna is most beautiful.