While most families went on trips to state fairs or even Disney World, my parents took my two brothers and I to Argentina when we were teenagers. It was something they had always wanted to do.
Since they had kids, they waited until we were an appropriate age, and we all hopped on a plane (several planes) and we flew to Chile. I immediately fell in love with the landscape there. The country is very skinny, about 109 miles wide, but it's incredibly long and contains not just desert, but also snow-capped mountains.
My parents were particularly interested in taking us all to Tierra del Fuego National Park which bordered Chile. They had heard about the park being formed in the 1960's.
There are peaks on either end (North and South) of the National park with glacial waters in between at parts. We went to the beaches with white sand on it's shores often.