Tooltip Categories: Walking Across America 1


fear, deep anxiety


something that has been destroyed or ruined; ‘she’s a wreck’ here means that she is very worried or upset

to wind up

to arrive at or be in a place, sometimes in an unexpected or unplanned way

Great Migration

wildebeest migrating season from January to March in the Serengeti Desert, movement roughly from areas in Tanzania to Kenya


ecosystem, geographical region in Africa, also a National Park and UNESCO World Heritage Site

Gobi Desert

large desert in Asia, region stretching across northwestern China and southern Mongolia


unknown, a place or territory that has not yet been discovered