2015圣诞节南美的行程大家看看是不是太紧了?

别说我准备的太早啊，我就想先规划下今年的旅行计划，年底想去南美洲玩一圈，自己一人，准备了两条线路，13-15天，麻烦去过的友们帮我参谋下啊，多谢：
我来回都从休斯顿（IAH）走，航班签证这些都没问题，好不容易去一次想去多点地方但又害怕每个地方行色匆匆。

行程1：秘鲁-智利-阿根廷：
19-Dec IAH to Lima, Peru
20-Dec Lima, Peru
21-Dec Lima, Peru to Cuzco, Peru
22-Dec Cuzco, Peru
23-Dec Machu Picchu, Peru
24-Dec Cuzco, Peru
25-Dec Lima,Peru - Santiago, Chile
26-Dec Santiago, Chile
27-Dec Santiago, Chile
28-Dec Santiago, Chile to Buenos Aires, Argentina
29-Dec Buenos Aires, Argentina
30-Dec Buenos Aires, Argentina
1-Jan Buenos Aires, Argentina to IAH

行程2：秘鲁-玻利维亚
19-Dec IAH to Lima, Peru
20-Dec Lima, Peru
21-Dec Lima, Peru to Cuzco, Peru
22-Dec Cuzco, Peru
23-Dec Machu Picchu, Peru
24-Dec Cuzco, Peru
25-Dec Cuzco, Peru to Lima
26-Dec Lima, Peru to La Paz, Bolivia
27-Dec La Paz, Bolivia to Uyuni, Bolivia
28-Dec Uyuni, Bolivia
29-Dec Uyuni, Bolivia
30-Dec Uyuni, Bolivia to La Paz
1-Jan La Paz, Bolivia to IAH
2-Jan Arrival IAH