Lake County Discovery Museum is in Lakewood Forest Preserve at 27277 Forest Preserve Dr. Visitors can explore Lake County's past including its people, industry, entertainment and vacation destinations by way of the Vortex Roller Coaster Theater, which provides a 10-minute journey through 10,000 years of history. The museum's permanent exhibit, Bringing the World Home, showcases reportedly the world's largest public collection of picture postcards. More than 3.5 million postcards are housed in the Curt Teich Postcard Archives. The museum also hosts national touring exhibitions.