Leave camp inhumanly early to start your day, saysSlacklinejoein a great overview comment about optimizing your visit.

Sounds worth it even if youre not taking photos.

Like Im talking 6 am early, saysRebecca.

Dress for the cold, says everyone.

They recount a snowy June visit, followed by a week with highs in the 80s.

Other tips include handling a bear attack, lodge recs, and a suggested itinerary.

Keep weed on the DL.

It is federal land, federal laws.

I knew of a few people who got popped, saysBobJerryPhil.

Even though theres tons of tourists, the wildlife still go wherever they want, sayshowmanyiphones.

Take your time passing a bison on the road.

Theyre huge and theyll probably win in a fight with your car.

So be patient and dont make a run at do it all at once.

Reservations fill up quickly, so plan ahead.

But, saysMC63i, keep checking them for cancellations.

They also suggest eating at the diner counters in souvenir shops to avoid long waits at restaurants.

Winter is the absolute best time to go, hands down, saysbozemanitein a long and helpful comment.

Those black clouds of blood sucking state birds can and will bite through anything and completely ruin your trip.

Talk with people at each site about where theyve been, saysLitch_e.

We quickly went to the valley and saw multiple herds.

Dont do this

Do not keep any food in your car, saysSixteen Statues.

Nothing that smells like food, either.

No wrappers, no chocolate bars, no chips, NOTHING.

Bearswillsmash your car windows in to get to them.

It smells a whole lot more filling to them than berries.

Dont stop in the friggin road for a picture, saysVlachen.

Absolutely no selfies 10ft away from a bison, saysDaveSs.

Dont speed, saysAlex W. The park rangers do not mess around.

Avoid the Madison junction during evening hours (maybe commuter hours), saysnakul.

And multiple commenters recommend the less crowded Grand Teton National Park just south of Yellowstone.

They have ranger-guided wildlife hunts in the evenings, saysRgbyRef.

Comments have been edited for clarity.

Thats it for this week!

Go read all the tips in the original thread, and leave yours below.

Come back Monday to hack an actual city.

Aaand the island nation around it.