But perhaps no stretch of highway was more ambitious than Florida's Overseas Highway ... the highway that connects the Keys ...

The Overseas Highway through the Florida ... Keys that are so close together it's hard to detect their boundaries, the route opens up to cross a wide swath of water. The famous Seven Mile Bridge ...

The Florida ... Keys, Boca Chica Key, Stock Island, Key West. The Upper Keys include Key Largo and Islamorada, the Middle ...