The so-called "Seven Summits" are the highest mountains of each of the seven continents (though, depending on how you count, there are either seven or nine of them). NAME TWO of the Second Seven Summits, e.g. the second-highest mountains on each of the seven continents. (Two answers required)
K2, Ojos del Salado, Mount Logan, Dykh-Tau, Monte Rosa, Mount Kenya, Mount Tyree, Puncak Mandala, or Mount Townsend