Why a Wonder: Long shadows sweep across dramatic sand dunes that are often bathed by beautiful light in the early morning and late...

Why a Wonder: A landscape filled with shapes, patterns and colors that is unlike any other you may see on the planet. Where: Death Valley...

Why a Wonder: Yasur Volcano is one of only several persistently active volcanoes in the world. Known as the "Lighthouse of the Pacific,"...

Why a Wonder: The Khongor Dunes (Khongoryn Els) of Mongolia extend over an area of almost 400 square miles. These massive dunes are known...

Why a Wonder: South Georgia Island is home to about 450,000 pairs of king penguins, one million pairs of yellow-crested macaroni...

Why a Wonder: Greenland is covered in glaciers, and every summer, icebergs calve off of the glaciers and float out to the open ocean....

Why a Wonder: Upon completion of construction (1892-1906), the New Croton Dam was the tallest (301 feet) dam in the world. It is still...

Why a Wonder: Dead Horse Point State Park offers a sweeping, dramatic, awesome and awe-inspiring view of the Colorado River and...

Why a Wonder: The twisted and colorful landscape of Badlands National Park in South Dakota is a unique place to make compelling photos....