(MONEY Magazine) – $99 A one-hour aerial tour of Yosemite National Park offers an unparalleled view of giant waterfalls and rock towers from a five-passenger plane. Call Courtney Aviation at 209-532-2345.

$3 A one-day spectator pass to the World Freefall Convention, Aug. 4 through 13 in Quincy, Ill., provides a vicarious adrenaline rush. During the 10-day event, 6,500 skydivers will make 80,000 jumps. Click on www.freefall.com.

$0 The Perseid meteor shower lights up the northern hemisphere on Aug. 11 and 12. Peak viewing time in the U.S. will be between midnight and dawn, when the Perseids will produce up to 150 shooting stars an hour.

$200[1]Go where the breeze takes you for an hour in a hot-air balloon. For a primer on hot-air ballooning and a pilot in your area, click on www.launch.net.

$40[2] Shares of aerospace giant Boeing have jumped 23% since hitting a 52-week low in March. The acquisition of Hughes Electronics' satellite business this summer will cement Boeing's position as the largest satellite company in the world.

--GRACE JIDOUN

Notes: [1]Price may vary in your area. [2]Share price as of June 6.