Snow dots the Martian landscape in these images from ESA's Mars Express orbiter and NASA's Mars Reconnaissance Orbiter.

When this Maryland state park transforms into a winter wonderland, it provides plenty of activities for outdoor enthusiasts ...

Above the Arctic Circle, this lively resort encapsulates the wild heart of Finnish Lapland — and hits its stride in winter, ...

Although these frosty fields look like a picturesque winter wonderland blanketed in snow, this ice is actually composed of ...