Science

Arizona Science Center Blast through the sky in a flight simulator; dodge asteroids and meteors in the Dorrance Planetarium; experiment in the Fab Lab; stimulate your curiosity in the Wired for Thought exhibit. 600 E. Washington St., Phoenix, AZ; +1 602 716 2000. Fee.

Kitt Peak National Observatory Scan the sky for shooting stars; observe orbiting planets; behold the world's biggest solar telescope, the McMath-Pierce. 56 miles west of Tucson via Interstate 86, on the Tohono O'Odham Reservation, AZ; +1 520 318 8726. Call for night viewing reservations. Fee for tours/night viewing.

Lowell Observatory Study the solar system; go for a Pluto Walk; peer through telescopes. 1400 W. Mars Hill Rd. Flagstaff, AZ; +1 928 774 3358. Fee.

Meteor Crater Peek over the edge of the 550-feet deep crater, created 50,000 years ago; see where NASA trained astronauts for the Apollo missions to the moon. Interstate 40, Exit 233, Winslow, AZ; +1 928 289 2362. Fee.

Titan Missile Museum The only intercontinental ballistic missile that the public can see in its operational environment. Descend 55-steps down into the command post; marvel at a 103-foot, liquid-fuel missile, which was more powerful than all the conventional bombs used in Word War II combined. 1580 W. Duval Mine Rd., Sahuarita, AZ; +1 520 625 7736. Fee.