The London Archives will showcase 40 posters dated from 1922 to 1933 that promoted tram use. BBC. ... days out at Hampstead Heath and Battersea Park, sports activities and shopping.

The Muppet posters are in the style of the Works Projects Administration (WPA) posters produced from 1935-1943 that are instantly recognizable as national parks posters.

Dan Raven-Ellison is a "guerrilla explorer" who helped make London the world's first National Park City. Here are his picks for London's best green spaces, from wetlands to forests.

In 1934, the National Park Service authorized a poster program in collaboration with the WPA’s Federal Art Project, which put unemployed artists to work as part of the New Deal.