puzzle

 ACROSS

  1 Where the Ganges flows

  5 Defeats

 10 "My Life" musician Billy

 14 "My Life" or "My Universe"

 15 An architect of D.C.'s National Gallery of Art

 16 Strongly encourage

 17 Tesla Model 3, e.g.

 18 Certain woodwinds

 19 Huge: Prefix

 20 Distillery calculation

 22 No longer stylish

 23 Utensil for ice cream

 24 With 27-Across, acts with precision

 27 See 24-Across

 33 Pet in the weasel family

 34 City by the Illinois River

 35 "O sweet my mother, cast me not ___!" (Juliet)

 36 Supporting

 39 Tough journey

 40 ___ room (foosball venue)

 41 Ancient Roman racing vehicle

 45 Metallic mineral, maybe

 46 Pronouncing "churro" like a Spanish speaker

 49 Early web portal

 50 Card game with no face cards

 51 Behave properly

 60 Piano practice piece

 61 Gunk in a pit

 62 N, on a Spanish compass

 63 Sought information

 64 Pro

 65 Black hair or brown eyes

 66 One might use batik to decorate fabric

 67 "Look over here!"

 68 Rock concert lineup?

DOWN

  1 "Don't delay!"

  2 Like grapefruit

  3 Fascinated by

  4 Outlet for pent-up sadness

  5 "About Me" blurb

  6 Add a raised design to

  7 Pitchers' projections

  8 Grow incisors, e.g.

  9 Bro's sib, maybe

 10 High court maneuver?

 11 Cookie in many crosswords

 12 Waffle in many crosswords

 13 Low-fat

 21 Golfer's warning

 23 Location

 25 Little one

 26 Paranormal "power": Abbr.

 27 Off in the distance

 28 More recent

 29 Malfoy played by Tom Felton

 30 Mistake

 31 Concert hall sections

 32 Sushi bar beverage

 36 Supporter

 37 End of the ACLU's URL

 38 Copacabana Beach's city, briefly

 41 Was overly sentimental

 42 Home of Hawaii's Liliuokalani Gardens

 43 Burden

 44 Many a city dweller

 47 Word after "corporate" or "rope"

 48 Mexican state below Arizona

 51 Renaissance Faire beverage

 52 Teeny-tiny

 53 Quickly reheat, in slang

 54 Zion National Park's state

 55 America's Cup, for one

 56 Krill, to a whale

 57 Weight unit hidden in "skateboard ramp"

 58 Cottony swab

 59 Complete collections

solution