1. This Treetop Walkway Kirstenbosch Centenary Tree Canopy Walkway just outside of Cape Town in South Africa. Google Streetview has also been here. 2. The Forgotten Pyramids of Meroë In a desert in eastern Sudan, along the banks of the Nile River, lies a collection of nearly 200 ancient pyramids built between 2,700 and 2,300…