THE NATURAL WORLD: Early morning Harvest Moon over Monument Valley Tribal Park

CITY LIFE: The silhouette of the skyline in New York, NY

FACES: A young boy wades through a murky pond in Oregon

TRAVELIN' LIGHT: A brave solo hiker relishes in the sunset at Grand Canyon NP

WILD THINGS: A sunning crocodile enjoys an afternoon snooze in South Africa

GLACIAL: Deep striations and jagged cuts expand across a wide Alaskan glacier, as viewed from a bush plane