Tourists beside the endemic lava cactus (Brachycereus spp) growing in the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

galapagos islands brachycereus endemic plants ecuador tourists wildlife volcanic landscape biodiversity nature ecology travel adventure flora hiking exploration conservation rugged terrain ecosystems outdoor activities unique species arid climate cactus plants geological formations tropical environment ecotourism natural heritage plant life guided tours educational travel ecological tourism scenic views nature enthusiasts tropical wilderness travel destinations hiking trails natural landmarks plant habitats exotic landscapes island ecology geographic features beside endemic lava cactus spp growing