Guides narrate tours of Hilton Head Island as guests take in lighthouses, Lowcountry & unspoiled estuaries & keep eyes peeled for dolphins

Instructors show students of all ages how to stand up, sit, or kneel upon surfboard while gliding through the water with elongated paddle

Guides expound on architectural heritage & design of early skyscrapers during 75-minute tour of Chicago River's three branches.

Passengers dine or relax under a canopy of bursting fireworks on Lake Michigan and enjoy views of Chicago's skyline.

Three-story riverboat ferries guests down Tennessee River on leisurely cruise with scenic views

Under instructor supervision, up to three can man the sails of 19 ft. Rhodes sailboat or enjoy the ride in two-hour cruise of Boston Harbor.

Experienced guides shepherd floaters across Lake Merwin while pointing out wildlife such as bald eagles & explaining natural history

Schooner cruises through the scenic Biscayne Bay on a two-hour tour including champagne, complementary cheeses & soothing lounge music.

Instructors teach one or five pupils to safely glide across waves on rented boards, or shoppers purchase top-shelf apparel and accessories

Captains certified in marine life & harbor history sail to dolphin-sighting spots or sites important to American Revolution & Civil War