Despite the stereotype - which typically casts Americans as the loud, braggadocios, stay-at-home and eat spare ribs while watching reality tv sort, we are an adventurous bunch. From breaking out and conquering the Western frontier in the days of Lewis and Clark, to journeys to the moon (if you believe in that kind of thing), to late-night divey diners with curly cheese fries; - there is no frontier we won't explore. While it is true that our passport wielding numbers are paltry comparatively to other developed nations, and...