Tonto Natural Bridge State Park is home to the world’s largest natural travertine bridge. Tonto Natural Bridge was formed by a spring on the east side of Pine Canyon, bringing forth a lot of water and calcium carbonate that was redeposited across the canyon. | ABC15 Arizona

Lake Cumberland Luxury Cabin Rentals

Most people know about the Natural Bridge in Natural Bridge, AL (the town is named Natural Bridge!) but few realize that 20 minutes away is a lesser known natural bridge in Bankhead National Forest. This one is less accessible than the other natural bridge and a bit smaller, but it has amazing vegetation growing in it, a waterfall, and it's free. . https://huntsvilleadventurer.com/natural-bridge-hiking-trail/ . #alabamathemagical #alabamathebeautiful #explorealabama #visitnorthalabama #visitalab

When the Natural Bridge is featured in National Geographic's online article "Here Are the Best Ways to Get Outdoors in All 50 States" 😍🎉 @natgeo Natural Bridge is a 215-foot-tall national historic landmark estimated to be 500 million years old. It was surveyed by a young George Washington, whose initials, etched circa 1750, can still be seen beneath the arch. Now a state park, the area encompasses seven miles of hiking trails in the Shenandoah Valley. The 2-mile out-and-back, ADA-accessible Ce