IT'S a relatively simple idea – set up a mirror so you can capture the reflection of a dramatic landscape in a single photograph. Photographer Daniel Kukla, from New York, created a spectacular series of artworks called The Edge Effect using the technique. He clamped the mirror onto an easel and placed it in various settings in the Joshua Tree National Park, California.

Musher Michael Ruopp of Germany starts with his sled dogs at the 23rd International Sled Dog Race in Oberhof, central Germany, Sunday, February 24, 2013. (Photo by Jens Meyer/AP Photo)

With temperatures soaring and summer well underway, countless Americans will be spending their Independence Day weekend at the beach. Here we revisit some classic images from the turn-of-the-century to the 1930's of vacations by the sea, from Coney Island to Santa Monica.