The Perito Moreno Glacier is a massive ice formation located in the Los Glaciares National Park in Argentina. It spans approximately 250 square kilometers and is one of the few glaciers in the world that is still advancing. The glacier is known for its stunning blue ice and dramatic calving events, where large chunks of ice break off and crash into the Lago Argentino. Visitors can access the glacier via walkways and boat tours, providing breathtaking views of its icy surface and surrounding landscapes. The Perito Moreno Glacier is a UNESCO World Heritage site and attracts thousands of tourists each year, making it a popular destination for nature lovers and adventure seekers.