Saga's new Spirit of Discovery at berth alongside Cruise & Martime Voyages' Columbus

Titan Travel's MS Bellajour riverboat at berth in Zaandem, the Netherlands

The 3,200 passenger MSC Magnifica in Greece

Tauck's MS Inspire on the Moselle, Germany

The picturesque River Rhine

The Saga Sapphire at berth in Bremerhaven, Germany