because its a free country
No one owns Antarctica.
No. To this day, no one and no nation 'owns' land in Antarctica.
Australia does not own Antarctica: it is owned by no country.
The Antarctica Treaty, signed by 50 countries, says no country owns it.
Antarctica is its own continent.
Eighty percent of the population of planet Earth 'own' Antarctica in the sense that all scientific research conducted there is shared among those governments that signed the Antarctic Treaty.
Antarctica is its own continent.
Antarctica is its own continent and contains no other.
No country owns any part of Antarctica.
Australia claims a slice of Antarctica, but does not own it. There are other claims, and no country with claims owns any part of Antarctica.
There are no land masses connected to Antarctica: it is a continent on its own.
Antarctica is its own continent and is not part of the US.