Visitors report feeling like they're walking uphill when descending, seeing objects roll uphill, and watching water flow at impossible angles.
Scientists and skeptics attribute the effects to optical illusions, clever landscaping, and subtle slopes rather than genuine gravitational anomalies.
Cars placed in neutral appear to roll uphill. Critics argue this is a visual illusion caused by the surrounding topography.
Despite investigations, no definitive explanation has been universally accepted. The site remains a popular tourist attraction, drawing thousands annually for guided tours that let guests experience the illusions firsthand.