JoycePete Cottrell, of N.H., were the first to backpack the entire official route of the American Discovery Trail,they hiked segments out of sequence over two calendar years, finishing in 2003.

• "发现之旅"路线是东起特拉华州，西至太平洋沿岸的雷伊斯角，其中穿越华盛顿特区、辛辛那提、圣路易斯和其他城市，经过14个国家公园和16个国家森林保护区。