The Sphinx Observatory is located in the Swiss Alps, in Jungfraujoch, Switzerland. At 11,715 ft (3,571 meters) above sea level The Sphinx Observatory is the highest-altitude built structure in Europe.
Read More »The Sphinx Observatory is located in the Swiss Alps, in Jungfraujoch, Switzerland. At 11,715 ft (3,571 meters) above sea level The Sphinx Observatory is the highest-altitude built structure in Europe.
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