Downtown Denver Arts Festival Date: Friday, May 28 - Monday, May 31, 2010 Location: Denver Pavilions, Downtown Denver Cost: Free admission. What: The Downtown Denver Arts Festival celebrates its 12th year of featuring Colorado artists over Memorial Day weekend. Capitol Hill People's Fair Date: Saturday, June 5 - Sunday, June 6, 2010 Location: Civic Center Park, Denver Cost: Free admission. What: The largest of all summer festivals in Denver, the People's Fair began in 1971, sponsored by the Capitol Hill United Neighborhoods. The festival features arts and crafts, live music, and food and drink vendors. Colorado Renaissance Festival Date: Weekends from June 11 - August 1, 2010 Location: Larkspur, CO (30 min. south of Denver) Cost: $17.95 for adults, $8 for children 5-12. What: Huzzah! Travel back in time to the Renaissance with medieval entertainment, crafts and food. Costumes are optional for children and adults. Denver Greek Festival Date: Friday, June 18 - Sunday, June 20, 20...