There are many unexplained anomalies discovered in Antarctica over the years. This video shows a possible crashed flying saucer as well as other strange objects resembling alien or man-made craft.
Spacecraft
Coordinates: 74°47'54.86"S 110°33'38.27"W
Classic UFO
Coordinates: 61°57'51.64"S 58° 3'42.73"W
Crashed Flying Saucer
Coordinates: 73°35'57.17"S 164°48'14.86"E
V-shaped UFO or man-made craft
Coordinates: 72°1'32.19"S 169°34'59.68"E
Ancient triangle UFO
Coordinates: 74°18'52.37"S 9°27'18.32"W