Rails and road meet along one of America’s most spectacular highways

Leapfrogging from one key to the next over 42 bridges, the Overseas Highway is an engineering marvel with a railroad past that connects mainland Florida and Key West. But travelers beelining to Mile Marker 0 will be missing out on the other keys.

​ Leapfrogging from one key to the next over 42 bridges, the Overseas Highway is an engineering marvel with a railroad past that connects mainland Florida and Key West. But travelers beelining to Mile Marker 0 will be missing out on the other keys. Read More Breaking News, Latest News and Videos | CNN