Hugging the Potomac from D.C. to the Appalachian foothills, the C&O Canal is best experienced by bicycle and capped off with a night in a historic lockhouse.

New York is the most walkable city in the country. Here’s how to plan your trek across its most famous island—including what to see and do along the way, and where to find bathrooms.

National Geographic looked at more than 3,000 Instagram posts for our recent hashtag challenge to find the 10 most inspiring travel photos from our readers.