Machu Picchu, nestled high in the Andes Mountains of Peru, is an ancient Inca citadel renowned for its sophisticated dry-stone architecture, stunning panoramic views, and mysterious history. Accessibility can be challenging due to its remote location, requiring a combination of train and bus travel or multi-day treks; limited accessibility options are available for visitors with mobility issues. While solo visits are possible, a guided tour is highly recommended to fully appreciate the site's history and significance. The dry season (May-September) is the best time to visit, though it's also the busiest; the rainy season (November-March) can bring heavy downpours and potential trail closures. Entrance tickets must be purchased in advance, and costs can range from $150-$400 per person, including transportation and guide services. A typical visit lasts between 4-8 hours, depending on the chosen route and level of exploration.