3.5-hour downtown tour $45; $25 (ages 4-11). Space Center Houston tour (includes admission to center) $65; $30 (ages 4-11). Extended city tour or Galveston Island tour $65; $30 (ages 4-11). Reservations are required.
Space Center Tour departs daily between 9 and 9:30. Phone to confirm dates and departure times for the city, extended city and Galveston Island tours.