BONEYARD BASH AT NEON MUSEUM

The Neon Boneyard will be even more bewitching with music by TotesCity, food from Cheffinis, giveaways, a costume contest and complimentary drinks. October 30, 7 p.m., tickets start at $55.

RECKLESS IN VEGAS AT THE SMITH CENTER

Cabaret Jazz hosts a performance by this power trio doing alt-rock renditions of Rat Pack-era classics, plus a costume contest judged by UNLV fashion expert Deirdre Clemente. October 30, 8 p.m., tickets start at $35.

HAUNTED PARADISE AT HYDE

A special performance from Grammy-nominated Omarion (“Post to Be”) highlights the Bellagio club’s Halloween celebration. October 31, 10 p.m., tickets start at $30 for men, $20 for women.

ZOWIE BOWIE COSTUME CONTEST AT CLUB MADRID

The Sunset Station resident band rocks another Saturday night while you compete for a grand prize of $1,000 for the best Halloween getup. Remember: no masks on the casino floor, and you have to be a Boarding Pass member to win. October 31, 10 p.m., no cover.

HALLOWEEZY AT LIFE

Thought SLS’ swanky nightclub was closed? Let’s call it undead. It’ll be resurrected for a night with Lil Wayne, part of the property’s Halloween weekend of entertainment that also includes DJs Fedde Le Grand and Gareth Emery. October 31, 10:30 p.m., tickets start at $30.

HALLOWEEN CARNIVAL AT XS

The Encore megaclub will be transformed into a vintage freakshow all weekend long, including Halloween night, when Kaskade headlines the party. October 31, 10:30 p.m., tickets start at $30 for men, $20 for women.