Experience The Wonders Of Space. The Planetarium has presented astronomical programs to millions of visitors showing advanced effects and 3 dimensional flights. UP TO 60% DISCOUNT. No expiration, Corporate Rate $6.00, Regular Price $9. To View all corporate discounts to The Museum of Natural Science click on the link below. Password: atom (no caps), Link for Corporate Coupon - http://corporatecoupon.hmns.org/ , MUST PRESENT C3 PERKS CARD TO RECEIVE CORPORATE RATES. Not valid with any other offers or special engagements. Prices subject to change. 5555 Hermann Park Drive · Houston, TX 77030