Hyeongsangang Waterfolli Observatory

Hyeongsangang Waterpoly Observatory is in Songdo, Pohang. POSCO built the 14-meter glass structure, which is glass inside and out. Admission is free, and visitors take off their shoes and change into indoor slippers provided inside. Visitors can go up to the third floor, though access to the third floor may be restricted at midday because of the heat.