They are the second largest. The largest is Vatican City i.e. the Catholic Church which owns all the land that any Catholic church, monastry etc stands on. There is no such thing as a tidal waves. They are actually Tsunamis. Tsunamis are created by an earthquake on the ocean floor.
Tidal waves are actually high and low tide that are mislabeled.
Therefore tides are created. Scientists at the Cornell University have found the 'armpit effect' at work in hamsters. It is a fact that none of the witches put to death in the Salem Witch trials were burned at the stake. They were all hanged but one, Giles Cory, who was pressed to death. In fact, there are no official written reports of ANY witches in the US being burned, burning was a European practice associated with the Catholics.