5. Tianmen Skywalk, China

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Clinging to the cliffs of Tianmen Mountain, the Tianmen Skywalk soars nearly 4,700 feet above the ground. Its glass floor, only three feet wide, offers a direct view into the valley below. Walking here is a heart-pounding experience, perfect for thrill-seekers who crave both breathtaking scenery and a rush of adrenaline. Every step is a test of nerve as you walk on clear panels high in the sky.
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