Sam Houston Boat Tours

The Port of Houston Authority offers free 90-minute round-trip cruises along the Houston Ship Channel. Sightseers enjoy passing views of international cargo vessels and operations at the port's Turning Basin Terminal. Tours  Tues.Sun.; closed holidays . Reservations required (call or sign up online). 7300 Clinton Drive ,  Gate 8 . 713/670-2416 . www.portofhouston.com/community-outreach/sam-houston-boat-tour .