The Radar: Valencia Must-Dos, Deal with Culture Shock, Top 10 World Treks

• Valencia’s rich history, modern architecture, and colorful festivals make it a must-see destination. Here are the top 10 things to do in Spain’s third-largest city. [Velvet Escape]
• Traveling abroad can mean adjusting to a very different way of life. Next time, remember these tips to assuage your culture shock. [As We Travel]
• See towering mountains, dramatic canyons, and sacred sites… on foot. Check out the 10 best treks from around the globe. [Lonely Planet]

>> Today’s cover photograph was submitted to the National Geographic Traveler Photo Contest by Ashley Lowry. The magazine is giving away seriously spectacular prizes this year, so don’t miss your chance to win.

The deadline is this Wednesday, July 11, so submit your best travel photos today!

Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the web #ngtradar. Check back on the blog for our roundups.