Actually, it's not just Bogota, it's all of South America.

There is just one point that is impassable by road: the 100-mile Darien Gap between Panama and Colombia, which consists of undeveloped swampland and impenetrable rainforest inhabited by indigenous tribes, Colombian guerrillas and an array of exotic wildlife. This portion of the journey must be bypassed by air or sea, with ferries available to ship vehicles from Panama to Colombia and vice versa