If you have not done the Latvian thing and gone to whatever countryside for the Midsummer celebrations, from 8:00 p.m. on June 23 to 4:30 a.m. on June 24, Rīga residents and visitors are invited to three venues – Grīziņkalns Park, Dzegužkalns, and the Green Theatre in Mežaparks, according to representatives of the Rīga City Council.