Sometimes the most remote and amazing places can only be reached by the ocean, and the best way to get there is on an adventure cruise. Much smaller than normal cruise ships they can access more unusual ports and natural areas that the larger cruise ships cannot. These smaller ships can get you very close to massive icebergs and giant whales in Antarctica or wind their way through the smallest tributaries of the river Amazon.
A bonus to these adventure cruises is that they often have on-board experts that you can ask any questions you may have, from naturalists and biologists to historians and cultural experts. They will come with you on your on-shore adventures to give you lots of information and help you really immerse yourself in the environment you find yourself.
Adventure cruises are not like other cruises where you visit cities and ports, these cruises are expeditions. This means every day you will go on a new adventure to really explore and enrich yourself within your chosen destination. These cruises are not so strict in terms of schedule and it is not uncommon for them to change if the captain hears of something exciting happening locally. They also have lots of equipment for exploring closer to shore and on land such as zodiacs and kayaks used to explore glaciers in Iceland.