Keith Van Brunt (left) and Tom Mgerack, known as the "Bumper Car Psychos," go for a ride July 27 at the Keansburg Amusement Park in Keansburg, N.J. Elise Hu/NPR hide caption

itoggle caption Elise Hu/NPR

The "Loving Happiness Band," supported, in part, by the Communist Party, plays for a crowd on Nanjing Road. Frank Langfitt/NPR hide caption

itoggle caption Frank Langfitt/NPR

Tivoli Gardens, one of the world's oldest amusement parks, has been a landmark in Copenhagen, Denmark, since the middle of the 19th century. It remains hugely popular, particularly on summer nights. Courtesy of Tivoli hide caption

itoggle caption Courtesy of Tivoli

A pond in Charlotte, N.C.'s Freedom Park is a popular spot for evening fishing. The city keeps the pond well-stocked with catfish. Julie Rose for NPR hide caption

itoggle caption Julie Rose for NPR

Blair Cook and his sons, Dalton and Keegan, set out to hike Piestewa Peak in Central Phoenix. Peter O'Dowd/NPR hide caption

itoggle caption Peter O'Dowd/NPR

Antique trucks, including a 1937 Plymouth, on display at the weekly Cruisin' on the Square car show in Milan, Ohio. Classic car owners and enthusiasts gather each Tuesday evening through the summer to show off their cars or even find one to buy. Noah Adams/NPR hide caption

itoggle caption Noah Adams/NPR