Duquesne Incline, Pittsburgh. Been there, done that! Really neat! - I have been here too, and if I am correct, when we lived in Pittsburgh there was a really great Lebanese Restaurant we went to up at the top.
Stone Bridge at Happy Isles. Happy Isles is a group of small isles in the Merced River in Yosemite National Park, California, USA. They are located at the easternmost end of the Yosemite Valley floor. This scenic spot is the starting point for the Mist Trail, and is also the northern trailhead for the John Muir Trail.