The Radar: The Hottest Place on Earth, Diving Deep in Mexico, How to Look Like a Local

• “Scorching” doesn’t even begin to describe it. See what it’s like to take a trip to Dallol, Ethiopia — the hottest place on Earth. [Gadling]
• Ever want to take your own journey to the center of the earth? Explore how cave diving takes your vacation to a whole new level (literally). [The Expert Vagabond]
• Getting rid of that flashing “tourist” sign on your forehead can be tricky. Here are some tips to help you blend in with the locals. [Gadling]

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.

Photograph by Thomas Achache, My Shot