After departing from Philadelphia earlier this month, the SS United States recently arrived at the Florida coastline. Being towed to the port of Mobile in Alabama, the former ocean liner is sailing on its last voyage ahead of becoming the world’s largest artificial reef.

The SS United States, the former luxury ocean liner that was parked in South Philadelphia for almost 30 years, has reached Mobile, Ala., faster than expected and in one piece, proving the skeptics wrong.

The SS United States began its final approach into Mobile, Alabama, Monday morning, marking the end of the first leg of its journey to becoming the world's largest artificial reef.

The SS United States has completed its voyage from Philadelphia to Mobile, Alabama, where it will be prepped to become part of the world's largest artificial reef.

The SS United States is expected to arrive in Mobile, Alabama, sometime Monday. The next step? Off the coast of Destin, where it will be turned into an artificial reef.

After being docked in Philadelphia for nearly three decades, the SS United States -- once the world's fastest ocean liner -- has arrived in Mobile, Al., ahead of schedule to be prepared to be turned into an artificial reef.