Miraculous Staircase at Loretto Chapel in Santa Fe, New Mexico
The Miraculous Staircase at Loretto Chapel in Santa Fe is a masterpiece shrouded in mystery. This stunning spiral staircase, built without nails or visible support, rises 22 feet in two perfect 360-degree turns. Crafted in the late 1800s by an unknown carpenter—believed by some to be St. Joseph—it continues to baffle architects and engineers.