Peru’s geography spans Andes, Amazon, and coastal desert—yielding world-class landmarks.
15th-century Inca citadel at 2,430m (7,970 ft). Urban sectors, agricultural terraces, Temple of the Sun, Intihuatana stone. Abandoned pre-conquest; rediscovered 1911 (Hiram Bingham). UNESCO 1983. Access: train to Aguas Calientes + bus, or multi-day treks (Inca Trail, Salkantay).
World’s highest navigable lake (3,812m / 12,507 ft). Straddles Peru–Bolivia. 8,372 km². Uros floating islands (totora reeds), Taquile, Amantani. Cradle of Andean civilization (Tiwanaku, Inca). Sacred in mythology—Viracocha rose here.
Geoglyphs on 450 km² desert pampa (400–650 CE). Hundreds of figures: hummingbird, monkey, spider, astronaut, geometric lines. Best viewed from air (30-min flights). Purpose debated: astronomical, ritual, water-related. UNESCO 1994. Threatened by erosion, squatters.
Peru concentrates planetary superlatives: highest lake, oldest city (Caral), deepest canyon, most enigmatic geoglyphs.