01. Perce Rock, Canada
Perce Rock is also one of the most famous arched in the world. It is one of the largest natural arches located in water and a major tourist attraction in Quebec. The whole scenery that this rock formation presents is just out of this world. This is beautiful stack of limestone which is about 433 meters long and 88 meters high. The famous arch of the rock is about 15 meters high, but there were actually two arches, until one collapsed on June 17, 1845.