Mexico City is the densely populated, high-altitude capital of Mexico where modern life intertwines with centuries of history. As the oldest capital city in the Americas, it is a metropolis steeped in rich cultural heritage and bustling with the energy of over 21 million residents. The city's landscape is a mosaic of architectural styles, from the ancient ruins of Tenochtitlan and the colonial grandeur of the Historic Center, to the sleek, modern skyscrapers of Paseo de la Reforma. Mexico City is a hub of economic, political, and cultural activity, offering an array of museums, galleries, and theaters, alongside vibrant markets and world-class cuisine. The city's vast size means that it encompasses a variety of neighborhoods, each with its own unique character, from the bohemian Coyoacan to the upscale Polanco. Green spaces such as Chapultepec Park provide residents and visitors with a respite from the urban sprawl. Despite its challenges, including traffic and pollution, Mexico City remains a city of contrasts and a destination that captures the complexity and beauty of Mexico.