With the summer heat comes a sense of wanderlust: the desire to explore new and amazing places. When you’re deciding where to travel, it is worth looking into the most interesting manmade structures and buildings that tower above us and fit the needs of their surrounding communities. These structures all stand as symbols of human innovation. Each offers something for different architectural interests, from Frank Lloyd Wright’s iconic Fallingwater to Moscow’s historic St. Basil’s Cathedral to the sustainable Perot Museum in Dallas. Read on to discover where to experience some of the world’s best architecture.