Most Antarctic tourists visit the continent by boat. During the winter the sea ice freezes, essentially doubling the size of the continent, making it inaccessible to boat traffic.
You may be thinking of the Antarctic Peninsula, the warmest part of the Antarctic continent.
If the question is referring to tourists, asking what cities of Australia are most popular for tourists to visit, the answer is Sydney and Melbourne. This also happens to be the answer (coincidentally) if you are asking what cities in Australia are the most populous.
Typically tourists visit the Antarctic Peninsula, because it is the warmest part of the continent and the most accessible with the least amount of continental and blocking sea ice. There are a a few scientific research stations that welcome tourists -- with advance visitation reservations. However, tourists also make landfall where ever they can in order to claim to have 'set foot' on the continent. Breeding penguin colonies are also popular visitation locations for tourists.
Europe
the most popular transport for the tourists is air transport
Hollywood
The beaches and the oceans of the Caribbean is the most popular to tourists. The culture also and the places to see and visit are what attracts them.
Argentina has become the most visited country in South America. The country has been welcoming around 5.7 million tourists each year since 2011.
Mont Blanc, known as the world's deadliest mountain, is one of the most popular tourist destinations. It is visited by about 30,000 tourists annually.
Cancun is the most poular part of Mexico for tourists.
most arrive by coach.