The largest wave ever recorded was near the Japanese Island of Ishigaki in 1971 at 85 meters high.
Fulgurite is formed when lightning strikes sand.
At the nearest point, Russia and America are less than 4 km apart.
The Channel between England and France grows about 300 millimeters each year.
Mars has a volcano, Olympus Mons, which is 310-370 miles in diameter and 16 miles high.