But the impressive Great Sand Dunes National Park & Preserve ... producing the circular and picturesque lake that sits there today. Crater Lake National Park has since become one of the most ...

This striking astronaut photo shows off an "eye-catching" impact crater in the Sahara Desert. The oculus-like structure is surrounded by migrating sand dunes that are capable of traveling more ...

Here's what to know about the most beautiful places in Oregon and the other 48 locations, according to Condé Nast Traveler.