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The Colca Canyon: Peru's Natural Wonder

The Colca Canyon, twice as deep as the Grand Canyon and rivaled only by nearby Cotahuasi for the title of deepest in Peru, takes its name from the ancient qullqa storehouses of the Collagua and Cabana peoples, whose stone-walled agricultural terraces still feed the valley today and whose thermal-riding Andean condors have made this one of the best places on Earth to watch the world's largest flying bird.

Chapada Diamantina: Exploring Nature's Masterpiece in the Brazilian Highlands

Chapada Diamantina, the "Diamond Plateau" of central Bahia, takes its name from an 1844 diamond rush that transformed a scattering of remote prospector camps into Lençóis, once Bahia's third-largest city — a mining boom whose collapse a century ago left behind the national park, waterfalls, and karst landscapes that now draw visitors in its place. Geographically diverse and culturally rich, the region spans approximately 38,000 sq km within the Brazilian Highlands.

Acarai Mountains: Guardians of Guyana's Natural Splendor

Straddling the border between Guyana and Brazil in the country's remote southern interior, the Acarai Mountains are one of Guyana's four principal mountain ranges, alongside the Imataka, Kanuku, and Pakaraima mountains. Low, wet, and thickly forested, the range is unremarkable in elevation, but it holds outsized significance as the source of the Essequibo River. It is home to a single Wai-Wai village and encircled by the Konashen Community Owned Conservation Area.

The Peninsular Ranges System: A Geological and Ecological Marvel of Northwestern Mexico

The Peninsular Ranges System, running parallel to the Pacific Ocean, is a remarkable series of coastal mountain ranges that form the backbone of the Baja California Peninsula in northwestern Mexico. This rugged geological feature spans approximately 1,500 km from the international border with Southern California to the peninsula's southern tip, showcasing diverse ecosystems, geological formations, and endemic species.

Kaa-Iya del Gran Chaco: Bolivia's Indigenous-Led Wilderness

In the remote southeastern reaches of Bolivia's Santa Cruz Department, Kaa-Iya del Gran Chaco National Park and Integrated Management Natural Area protects one of the largest protected areas anywhere in South America. What sets Kaa-Iya apart from nearly every other park of comparable scale is not just its size, but who created it: Kaa-Iya exists because the Izoceño-Guaraní, Chiquitano, and Ayoreode peoples of the region asked for it, designed it, and continue to run it today.

The Pampas: South America's Verdant Canvas

The Pampas is a vast and remarkably fertile lowland plain in South America that extends from the Atlantic Ocean westward toward the Andes Mountains. This expansive biome encompasses the heartland of Argentina, all of Uruguay, and the southernmost Brazilian state of Rio Grande do Sul. Beyond its sheer size, the Pampas represents a complex interplay of ecological diversity, a rich tapestry woven by the iconic gaucho culture, and a dynamic landscape undergoing modern transformations.

The Cerrado: Brazil's Burning Heart, A Savanna of Astonishing Secrets

The Cerrado, a sprawling savanna ecoregion that blankets the heart of Brazil and spills over into eastern Bolivia and northeastern Paraguay, represents a realm of breathtaking biodiversity and ecological complexity often overshadowed by its more famous Amazonian neighbor. Far from being a uniform expanse of grasslands, this vast landscape is a captivating mosaic of habitats, ranging from dense gallery forests lining waterways to open grasslands dotted with gnarled, fire-adapted trees and seasonally flooded wetlands.

The Pantanal: A Wetland Eden of Unrivaled Biodiversity

The Pantanal, the world's largest tropical wetland, unfolds as a colossal seasonal floodplain predominantly situated in Brazil's Center-West Region. However, its expansive reach extends into northeastern Paraguay and southeastern Bolivia, creating an ecological masterpiece that captivates with its diverse landscapes and vibrant ecosystems. This remarkable wetland, a dynamic region with distinct hydrological, geological, and ecological features, supports a rich array of wildlife and plant species.

The Caatinga: Brazil's Dry Forest Ecosystem

In the heart of northeastern Brazil lies the Caatinga, a unique and resilient dry forest ecosystem that covers approximately 800,000 sq km (309,000 sq mi), roughly 11% of Brazil's total land area. Found nowhere else on Earth, this semi-arid biome is characterized by its striking adaptation to extreme climatic conditions, extraordinary biodiversity, and deep human history stretching back tens of thousands of years.

The Llanos: A Grassland Realm Forged by Water, Teeming with Life

Stretching across the expansive lowlands east of the towering Andes Mountains in northwestern South America, the Llanos, also known as Los Llanos, emerge as a vast tropical grassland plain of remarkable ecological dynamism. Spanning much of Colombia and Venezuela, this ecoregion of seasonally flooded savannas and gallery forests offers a vivid portrait of natural grandeur shaped by the powerful Orinoco River system and dramatic shifts between wet and dry seasons.