Pinnacles, Oldest Sand Dunes on Earth November 21, 2014April 19, 2017 1. The Pinnacles, the oldest sand dunes on earth. 2. Me driving down the beach to the next stop! Share this:TwitterFacebookPinterestMoreRedditTumblrEmailLike this:Like Loading... Related Published by Sarah Puckett Travel writer with a thing for true crime podcasts, cats, and type A itinerary planning. View all posts by Sarah Puckett