Astronomy$305
Learn the night sky by name, from planets to galaxies a million years away.
Birdwatching$160
Learn to name the birds around you by sight, song, and habit.
Stargazing$22
Step outside, look up, and learn the sky one constellation at a time.
Foraging$30
Learn which wild plants and mushrooms are dinner, and which aren't.
Split rock and meet a creature that died a hundred million years ago.
Photograph the tiny world most people walk right past.
Meteorology$232
Read the sky and the data well enough to call tomorrow's weather.
Collect crystals and gems straight out of the earth.
Astrophotography$1524
Photograph galaxies and nebulae from your backyard, one long exposure at a time.
Help real research by counting, measuring, and logging what you observe.
Look up. Learn the cloud types, read the weather they bring, and rediscover the sky for free.
Entomology$69
Get close to the insect world, and collect, identify, and understand it.
Dig carefully and read the past straight out of the dirt.
Grow gourmet mushrooms from spore to harvest at home.
Mycology$67
Learn the hidden kingdom of fungi from the forest floor up.
Herping$182
Go looking for snakes, frogs, and lizards where they actually live.
Search the desert for rocks that fell from space.
Mudlarking$40
Comb a tidal foreshore at low water for centuries of history: clay pipes, pottery, coins, and lost things.
Telescope Making$190
Grind and polish your own telescope mirror by hand, then see the sky through glass you figured.