Monte Carlo is the wealthiest of Monaco's 4 quarters known as the playground of the rich and famous. It is home to most of the Circuit de Monaco, on which the famous Formula One Monaco Grand Prix takes place. The main attractions are the Oceanographic Museum and Aquarium, the Monaco Cathedral and the Prince's Palace, as well as some magnificent gardens, and other attractions centered on the country's famous Royal Family, such as an exhibition of HSH Prince of Monaco's Private Collection of Classic Cars.