Maybe search for this exact same post as it's a frequent one.

Also it might be helpful to tell us what your interests are, there is a ton to do that can be accessed in 24 hours.

But as an aside: monuments, restaurants...pretty great in and around here.

on the side bar there's a big blue link that says OFFICIAL VISITORS GUIDE. Start there?

Also see the visitors guide in the menu of this sub.

I sometimes wonder if that isn't noticeable on mobile and maybe that's why a ton of people ask the same question over and over.

Must-dos:

See a rat, Smell someone smoking weed on the Metro, Buy an overpriced cocktail.

I'm on mobile and I can see that plus it's easy to see the rules where rule 10 is don't ask low-effort questions.

have you ridden a bike while wearing a balaclava?

Rent an ATV and ride through Georgetown wearing a Patagonia vest and vaping.

I will wonder no more.