The Guiana Amazonian Park, located in French Guiana on the northeastern coast of South America, is both France's largest national park and the European Union's largest - because nothing says "European heritage" like a chunk of Amazon rainforest. Covering over 8 million acres (about 40% of French Guiana), it's one of the world's most biodiverse ecosystems, where the only thing thicker than the canopy is the aroma of tropical flowers. The park is home to rare wildlife including giant otters, jaguars, and poison dart frogs, plus hundreds of bird species like the harpy eagle and the aperol-orange-colored Guianan Rupicola rupicola. Access is limited to small aircraft, canoes, and hiking trails, which helps keep it remarkably untouched - and keeps out anyone without a serious sense of adventure.

Indigenous communities including the Wayana, Teko, Wayãpi, and Apalaï maintain cultural connections to the forest, using generational knowledge for sustainable farming and land management. Their understanding of medicinal plants and wildlife movements is crucial for protecting the park, especially as climate change slowly destroys other iconic natural destinations. The park's rivers - the Maroni and Oyapock - serve as lifelines, with canoe journeys passing granite outcrops and walls of trees. Hikers can start from the remote village of Saül, tackle the Mont Galbao hike, or explore Mémora Creek for giant otters and orchid-covered inselbergs. Reaching the park requires planning: most journeys begin in Cayenne, then continue by small aircraft or river transport. For those who prefer roads, Brazil's BR-319 highway offers a notoriously wild alternative. No word on whether you can bring a croissant.