Check out this fun film of the Richardson Expedition from 1941 that gives a good sense of the magnitude of Chuck Moudy’s journey into Costa Rica. It is more likely he did not drive all the way in, and instead caught a boat up the coast.

Watch the first part, and then skip to 29:40 for southern Costa Rica, which was impassible by car just two years earlier in 1941.

Footage of the Panama Canal starts at 32.10