NYC on the Cheap: What to Do - Prospect Park in Lights

For those who will be visiting Brooklyn, NY in December, a free 30-minute, heated trolley tour called "Prospect Park in Lights" runs through the park's four gateways from 6:45 to 9:00 pm on Saturdays and Sundays from now until January 6-7.

For more info, visit NYC's Dept of Parks & Recreation site.