Near Lake Titicaca in Western Bolivia, the Pre-Columbian adobe city of Tiwanaku built circa 500 AD still stands, though today the ancient city looks much more like an art installation than the bustling empire it once was.
The United States boasts an incredible array of natural wonders, and among its most treasured assets are its national parks. These protected landscapes stand as testaments to the country's diverse geography, offering awe-inspiring vistas, unique ecosystems, and unparalleled opportunities for outdoor adventure.