5. Tianmen Skywalk, China
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High above the earth, the Tianmen Skywalk grips the vertical cliffs of Tianmen Mountain at an incredible elevation of nearly 4,700 feet. This glass-bottom bridge measures only three feet across, providing a vertigo-inducing view directly down to the valley beneath. Walking here delivers a heart-pounding experience, ideal for adventure seekers who desire both magnificent views and an adrenaline surge. Each step challenges your bravery as you walk on clear panels floating in the atmosphere.
