National Geographic Traveler and Photo District News are seeking the best travel photographs for their annual World In Focus contests.

There are prizes for both professionals and amateurs.

For professionals: The Grand Prize winner will receive free tuition for a 6-day professional photography workshop in Santa Fe, New Mexico, one Nikon D-80 Digital SLR, an Expedition tripod and head, a NG5737 backpack, and a PDN PhotoServe portfolio. Category winners (travel portraits, outdoor scenes, sense of place, spontaneous moments, and photo essay) will each receive one D-60 kit, a Tundra photo/video tripod, a NG2475 shoulder bag, and a PDN PhotoPlus Expo Gold Pass. Fees are $35 per entry.

For amateurs: The Grand Prize winner will receive a 15-day trip for two to Antarctica aboard the National Geographic Endeavour. The runner-up will receive a trip to the Cliffs Preserve in Patagonia, Chile; 3rd Prize includes a cruise for two on a Maine Windjammer schooner; 4th Prize includes and a seven-day photography workshop in Oaxaca, Mexico. Fees are $12 per entry.

Select winning images from both contests will be displayed at the PDN PhotoPlus Expo October 23-35. Winning amateur images will be featured in the January/February edition of National Geographic Traveler, and winning professional images will be featured in a winners gallery in PDN's February 2009 issue, online at pdnonline.com.

Entry deadlines: August 21, 2008; or September 8 with $10 late fee.

For more information, and to enter, visit www.worldinfocuscontest.com .