According to Wikipedia:
"Big Ben is a volcanic massif that dominates the geography of Heard Island in the southern Indian ocean. It is a composite cone with a diameter of approximately 25 kilometres. Its highest peak is Mawson Peak, which is 2,745 m above sea level.
"The Territory of Heard Island and McDonald Islands are an Australian external territory and volcanic group of barren Antarctic islands, about two-thirds of the way from Madagascar to Antarctica."
It's location at 53° 6" 30' S, 73° 31"30' E puts it outside the control of the Antarctic Treaty. It is under the control of the country of Australia. It is not considered to be part of Antarctica.
Bell Mountain in Antarctica is actually a bluff-type mountain that forms part of the northeast edge of the Gridley Plateau, in the Queen Alexandra Range of mountains. It is 4,305 metres high.
Its elevation has been measured at 15,919' or 4,852 m.
Mt Erebus Mt Bird Mt Melton Mt Terra Nove
Mt Erebus in Antarctica stands at approximately 12,448 feet (3,794 meters) above sea level.
Mt. Erebus is an active volcano in Antarctica.
Mount Bell (in Antarctica) is 4,305 meters high. If you want to use silly units of measurement (ie feet) then know that 1 meter = 3.280839895 feet and convert it yourself.
mt erebus is in antarctica, on the ross ice shelf
Mt Erebus.
Mt Erebus lies on Ross Island, Antarctica, in that area.
Mount Kosciuszko is not on Antarctica, it is the highest mountain on mainland Australia.
You can find Bell Mountain -- properly "...Mount Bell (84°4′S 167°30′E [that] is a bluff-type mountain, 4,305 m, forming a part of the northeast edge of Grindley Plateau, 6 nautical miles (11 km) southeast of Mount Mackellar in Queen Alexandra Range, Antarctica." There are no countries on Antarctica.
Mt. Mulig Hofmann is located in the Queen Maud Land region of Antarctica. It is a prominent peak rising to an elevation of around 2,825 meters (9,268 feet) and is part of the Wohlthat Mountains.