The winners of this month's photo challenge captured humans moving through the world on bikes, skateboards, skis, ...

Scroll through to see 16 more stunning images from our contributors. Our National Geographic contributors were tasked with documenting the enduring essence of travel. They opened the aperture on ...

Before air travel became commonplace ... Take a look at these stunning pictures of cruise ships in their glory days. Cruise ships of the past were more than just floating malls.