Enjoy daily, one-hour St. Louis Riverfront Cruises at 10:30 am, 12 pm, 1:30 pm, 3 pm, 4:30 pm, 6 pm, 7:30 pm (times vary day-to-day). For more information, including cruise date and time details ...

The stainless steel Gateway Arch – an engineering marvel ... In addition to the tram, there's also an hourlong riverboat cruise along the Mississippi River from March to November.