FILE- This June 16, 2010 file photo shows riders on the "Racer" roller coaster soar down one of the hills as they pursue a second coaster on a parallel track on the wooden trestle ride at Kennywood Park in West Mifflin, Pa. Before Disneyland and Six Flags, before steel coasters went 50 mph and rides were named for cartoons and superheroes, there were trolley parks
FILE- This June 16, 2010 file photo shows riders entering the terminal after completing a ride on the "Jack Rabbit" roller coaster at Kennywood Park in West Mifflin, Pa. Before Disneyland and Six Flags, before steel coasters went 50 mph and rides were named for cartoons and superheroes, there were trolley parks
This undated image provided by Quassy Amusement Park shows trolleys pulling in to Lake Quassapaug station in Middlebury, Conn. The former trolley station at Lake Quassapaug brought guests to the trolley park in the early 1900s to enjoy dancing in a giant pavilion, swimming, picnicking and carousel rides. This trolley line lasted less than 30 years, but the amusement park remains today
1926 Dentzel Carousel at Kennywood Park
Thunderbolt, Kennywood Park, June 13 2010
Kennywood 2010 Week 3
Thunderbolt, Kennywood Park, June 13 2010
Kennywood 2010 Week 3