puzzle

 ACROSS

  1 Rock bands' boxes

  5 Iron

 10 Combustible heap

 14 Sped

 15 Yogurt-and-cucumber dip

 16 "Ratatouille" rat

 17 Where brownies bake

 18 ___ tube (waterslide ride)

 19 Trouble-free state

 20 Girl/pooch duo in a 2002 film

 23 Start of a self-help book title

 24 Garlicky mayonnaise

 27 Smack, as a skeeter

 28 2000 film about a boy and his pooch

 32 Labor Day's mo.

 34 Assistance

 35 Corn units

 36 Regal sphere

 39 Accept, as a special delivery

 42 NBA legend Ming

 43 Saints' home, briefly

 45 Sister with a rosary

 46 Knock sharply

 48 Tightly united

 51 Obama immigration policy, briefly

 54 Wed secretly

 55 Modern museum question

 58 Fictional restaurateur played by Kate Winslet and Joan Crawford

 62 Use a wooden spoon

 64 Relation such as 20:21

 65 Tilt

 66 Window part

 67 D.C.'s National Zoo has 163 of them

 68 Give temporarily

 69 Fruits used for chewy cookies

 70 Parents of goslings

 71 Greek god of war



DOWN

  1 It may surround a lagoon

  2 Flicks

  3 Like bench training?

  4 Ladies of La Paz

  5 Cursive alternative

  6 Completely unpredictable

  7 German for "one"

  8 "Ignore that change," in a proof

  9 Wrapped Indian garment

 10 Spot-on

 11 "Sure, I guess"

 12 B&B units

 13 Hurricane center

 21 Starts a poker pot

 22 Game where someone is "it"

 25 Former Italian currency

 26 ___ facto

 29 One-named Greek keyboardist

 30 "What's the ___?" ("So what?")

 31 Stinky cheese feature

 33 Strawberry ice cream's color

 36 A single time

 37 "Jelly" or "sausage" follower

 38 Word that means "flourishing," with or without its second letter

 40 Caulking implement

 41 Diameter halves

 44 Is ambitious

 47 Kneecap

 49 Jellied fish in a British dish

 50 Spruces up

 52 Life's work

 53 Far from general knowledge

 56 Presume, informally

 57 Watches, like a bar

 59 With 60-Down, RuPaul's competition

 60 See 59-Down

 61 To be, to Camus

 62 Tanning letters

 63 ___ chi

solution