Make it a wet, hot D.C. summer. No joke.

DO
Free Swimming
What: D.C. public pools offer free admittance.
Why: Marco. Polo.
When: Thru the end of summer.
Where: At your nearest watering hole.

BUY
Jokes for Shoes Sale
What: Buy one pair of kicks, tell a joke, and Wild Women Wear Red gives you a second pair free.
Why: Knock, knock.
When: Thru Aug. 31.
Where: 1512 U St. NW, b/t 15th & 16th Sts. (202-387-5700).

Sales Tax Holiday
What: Tax-free shopping for one full week.
Why: No taxation without representation.
When: Sat., 12:01 a.m.-Aug. 13, midnight.
Where: Within the D of C.

MidCity Dog Days
What: Sidewalk sale and festival with specials at restaurants and shops like Love Cafe, GoodWood, and Pulp.
Why: Woof is the new bark.
When: Sat., 10 a.m.-7 p.m.; Sun., 11 a.m.-5 p.m.
Where: 14th & U Sts. NW.

SEE
Stars on the Avenue
What: Free outdoor film series screening North by Northwest, West Side Story, and others.
Why: It’s Sharks (and Jets) season.
When: Thurs.-Sat., 9 p.m.
Where: Corner of Auburn & Norfolk Aves., Bethesda.