puzzle

 ACROSS

  1 Leap

  5 Like the Pantheon's top

 10 Sunflower stalk

 14 Jacob's twin

 15 ___-average effect (psychological bias)

 16 Smoke with e-liquid

 17 Balkan native

 18 Vatican leaders

 19 Offramp

 20 Place to cross words made of foam letters

 21 Burger patty topper

 23 Lymphatic organs

 25 Boring routine

 26 Vogue competitor

 27 Type of stove

 32 Winery vessels

 34 Sheltered inlets

 35 ___ de cologne

 36 Short, for short

 37 Like a newborn

 38 Soccer great Hamm

 39 Org. concerned with pearly whites

 40 Remover of raindrops

 41 Like court testimony

 43 Surfers' destinations?

 45 Benefit

 46 Goof

 47 Tree-lined road, perhaps

 50 Something easy ... or what 21-Across, 3-Down, or 29-Down could also be?

 55 Fleecy farm female

 56 Zero, in tennis

 57 Tire pressure tool

 58 Driver in movies?

 59 Carried a balance

 60 Glowing remnant

 61 Fairy-tale monster

 62 Diminish

 63 Requiring lots of attention

 64 Sharp



DOWN

  1 Kids around

  2 Burn through

  3 Kitchen island countertop, perhaps

  4 Watering hole in Bath

  5 Nymph who rejected Apollo

  6 Instruments related to heckelphones

  7 Sulk

  8 Pre-holiday nights

  9 Like the islands in many New Yorker cartoons

 10 Gracefully slender

 11 Approach the arrival gate

 12 Grander than grand

 13 Apportion

 21 Animator's frames

 22 Long lunch offerings, briefly

 24 Antlered animal

 27 Jabs

 28 Finished

 29 Citrus garnish

 30 Lion's retreat

 31 Chinese currency

 32 Not-so-fluffy part of a cat

 33 Congressional staffer

 34 Superman's wrap

 37 The majority of air

 40 Current conductor

 41 Feeling yesterday's workout

 42 Pan for kung pao chicken

 44 Formally withdraw

 45 Gingerbread house's home

 47 Flipped (through)

 48 In the loop

 49 Country by the Red Sea

 50 Snow clearer

 51 Hawkeye's home

 52 Neck and neck

 53 Celebrity

 54 Sugar shape

 58 Fine and dandy 

solution