Stretching more than 120 feet into the Dutch sky, the vaguely S-shaped Excalibur ... This venue has a 50-foot indoor ice wall made of over 500 tons of snow and ice. The structure has several ...

The deep cracking sound bursting from within the ice signals the dramatic fall about to happen. Seconds later, a block of ice some 70 meters (230 ft) tall - the size of a 20-story building ...