In North America quite likely it is Niagara falls. The incredible tonnes of water that flow over the cliffs each year erode it by a few feet a year. In that sense it is moving the land mass backward.
Niagara Falls
Niagara Falls
Mt Rushmore
Niagra falls
chipacobra is a very famous north American landmark
Niagara falls
the opposite of moving forward.
by moving there legs forwards and backwards
vibrations
Niagara Falls
niagara falls
There is a little something called gravity that stops them moving backwards... it is a physical impossibility
by moving there legs forwards and backwards
niagara falls
Yes, everything on the Earth's surface is very slowly, moving backwards.
grand canyon