“What is on the other side of the Earth? Find out here.”
The antipode of any place is the spot of opposite side of Earth; this is like a geographic version of Bizarro Superman (it is also the name of journal for radical geography). Two points are considered antipodal if they are are on opposite sides of a Great Circle from each other (Check out Great Circle mapper). I knew I never would be able to dig a hole to China from the United States…I guess I’ll have to go to Argentina with my shovel to dig my tunnel.