Crystal Caverns at Hupp's Hill, between Middletown and Strasburg, is the area's newest attraction. Kids of all ages can learn about Geology by exploring, with flashlight in hand, the oldest documented tour cave in Virginia. Touring Crystal Caverns is unlike any other cavern tour. Get up close to the formations in the Caverns as your guide educates you with the real facts about caverns in the Shenandoah Valley. Take a step back in the past and experience a Living History Lantern Tour.