A camera trap captures 14-month-old sibling cubs cooling off in a watering hole in Bandhavgarh National Park, India.
National Geographic photographer Steve Winter has spent most of his adult life shooting wild cats.
Watch more: Nature photographer captures big cats in the wild, and heartbreak of their disappearance
Snow leopardsSnow leopards were Winter's ticket to fame. In 2008, he captured the first intimate portraits of the world's most elusive cats -- in the brutal, 15,000-foot cold of the Himalayas.
Snow leopardsWinter used elaborate and creative lighting designs to photograph the elusive snow leopards.
TigerThough he shoots all kinds of cats, tigers are special to Winter, and he has become an advocate for their cause.
JaguarWinter has photographed just about every kind of wild cat on the planet.
Tiger"I set up the lighting for a stage, and I just wait for the actor to walk on," Winter says of how he creates a photo studio in the middle of nowhere.
TigerWinter uses every trick in the book to capture his photos.
TigerA 14-month-old cub, cooling off in a pond, is riveted by a deer that appeared near the shore. Tigers are powerful swimmers; they can easily cross rivers four to five miles wide and have been known to swim distances of up to 18 miles.
CougarA hidden camera recorded Hollywood's most reclusive star. This male cougar was first seen in Griffith Park in Los Angeles almost two years ago.
A male cougar, labeled P22, makes his way home from the Santa Monica Mountains to Griffith Park -- an island habitat surrounded by homes and highways.
National GeographicWinter's cougar photos will appear in the December issue of National Geographic.
For more info on the Tigers Forever project, visit the website.