Things to do in Bolivia : The Amazon , And crazy witches market in La Paz (dried llama fetuses can be bought to offer to the gods) , Zongo Valley ice caves. Sorata can be a days hike in itself with amazing mountains and underground lake, should not be missed. There is some serious climbing to be had in Bolivia. If you like ruins then Tiahunico and the spiritual  Island of the Sun should be visited. The totora (woven reed) boats is an ancient tradition of the people that live on reed islands of Lake Titicaca is truly an amazing feat of native artistry.