ACROSS

  1 Play divisions

  5 Sicilian volcano

  9 Vehicle for a one-way trip?

 13 "Unbelievable!"

 16 Vibe

 17 Sweet and sour dessert

 18 Mini-___ (gas station convenience)

 19 More barren

 20 Not outsourced

 22 Hair-stiffening products

 23 Really flies

 24 "___ were the days!"

 26 "Mortal" offense

 27 Sends, like a letter

 31 Rodent that can swim for three days straight

 32 Like magic mushrooms

 35 It's raised on a ship

 36 "... and more": Abbr.

 37 Darth ___ ("Star Wars" emperor)

 39 UFC sport

 40 Dull pain

 42 Groomer's fancy workplace

 43 Bro's sib, perhaps

 44 Inanimate object

 46 Color

 47 Table alternative at a diner

 49 Portable container at a cafe

 51 Apartment payment

 52 Feelers?

 55 Headgear for fighting blazes

 58 Detective film genre

 59 "There's no point in trying"

 61 Spun records

 62 No-go zone

 63 Tender spot

 64 Past partners

 65 Bartlett, e.g.

DOWN

  1 Leather-punching tools

  2 Nickname that anagrams to "etch"

  3 Digital pet of the 1990s

  4 You may visit them all at the mall

  5 ___ Park, Colorado

  6 Norse god with the hammer Mjolnir

  7 Word paired with "neither"

  8 What a martial arts star may strike

  9 Savory Indian pastries

 10 Beach party where kalua pua'a may be served

 11 Makes a blunder

 12 Fruit with a Medjool variety

 14 Short socks

 15 Casino game similar to bingo

 21 "I'm thinking ..."

 23 "Quiet!"

 24 Dog's favorite word, probably

 25 Subaru Outback's rear door

 26 Selling crosswords for publication, maybe

 28 "Definitely count me in!"

 29 Maximum

 30 /, e.g.

 33 Tear in jeans

 34 "Uh-huh!"

 38 Opened with a sword, as a champagne bottle

 41 Fencer's cry

 45 Understood

 48 Single trip around the track

 50 Trendy

 51 Reacts to yeast

 52 Finishes

 53 Magic power

 54 Oceanside fishing spot

 55 Don't blow it!

 56 On a Caribbean cruise, say

 57 Old ruler who lived in Saint Petersburg

 60 Chicago White ___