Urban geographer extraordinaire Dr. Jack Eichenbaum has an excellent series of walking tours planned, focusing on Changing Cultures of Queens. I highly recommend them.
From YourNabe.com:
Historian to lead tours of Queens neighborhoodsHere is the list of tours:
• Saturday, May 29: Q44 bus route from Parkchester to Jamaica Center, 10 a.m. to 3 p.m., $30
• Tuesday, June 1: Flushing’s Koreatown, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Tuesday, June 8: Long Island City to Old Astoria, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Saturday, June 12: North Corona loop including Armstrong house back to Corona Plaza, 11 a.m. to 12 p.m., free
• Saturday, June 12: South Corona (“Corona Heightsâ€) walk ending at “Spaghetti Park,†12:15 p.m. to 1:15 p.m., free
• Tuesday, June 15: Forest Hills to Corona, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Saturday, June 19: Historical Jamaica, 1 p.m. to 3 p.m., free
• Sunday, June 20: M60 bus route from Central Harlem to East Elmhurst, 10 a.m. to 3 p.m., $30
• Tuesday, June 22: Sunnyside to Jackson Heights, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Tuesday, June 29: South Richmond Hill, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Tuesday, July 6: Flushing’s Chinatown, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Saturday, July 10: Historical Jamaica, 1 p.m. to 3 p.m., free
• Tuesday, July 13: Woodside Avenue, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Tuesday, July 20: Astoria, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Tuesday, July 27: Jackson Heights to Sunnyside, 6 p.m. to 8 p.m., $15/$10 under 30 with ID
• Saturday, July 31: B61 bus route from Long Island City to Red Hook, Brooklyn, 10 a.m. to 3 p.m., $30
And here is his website, providing details of each tour.