Dabous Giraffes These ancient giraffes are the largest known animal petroglyphs in the world. Grand Mosque of Agadez The tallest mud-brick structure in the world has been standing since the 1500s. Last Tree of Ténéré The most remote tree in the world survived desertification, but not a drunk truck driver. UTA Flight 772 Memorial The world's most remote memorial to the victims of the UTA Flight 772 disaster.
