This Alaska inside cruise offers a 7-day journey through the inside passage, visiting 5 ports in Alaska and Canada. The cruise features scenic cruising in Endicott Arm and Dawes Glacier, as well as stops in Ketchikan, Juneau, Skagway, and Victoria. A seven-day package starts at $668+.

Take a cruise aboard San Francisco to discover a wealth of culture waiting to be explored. Take a boat ride through the Panama Canal, one of the world's most impressive engineering feats. The price starts from $1327.