Lake Los Angeles, CA Indoor Activities

Put on your psychedelic platforms or groovy leisure suits, and treat your ears to the original disco masters in an outdoor venue that looks as if it's a pulsating disco-tastic space ship. With today's Groupon, $18 gets you one ticket to see Disco Fever 3 on September 27 from 7 p.m. to 10 p.m. at the Hollywood Bowl ($35 value). The show features Kool & the Gang, Chic with Nile Rodgers, the Village People, and special guests Yvonne Elliman, Thelma Houston, and Maxine Nightingale. Rarely do such powerhouses of disco come together to get down and boogie in one venue, so you should go with your disco-lovin' hunnies and funky fans and get this Groupon.

Get a head start on All Hallow's Eve cosplay and horseplay with today's side deal: one VIP ticket to Halloween Eve Preview Night from 9 p.m. to 3 a.m. on October 30 at Marbella for $14 (a $25 value and a $3 will call fee included). Your VIP ticket gives you access to all four levels of Marbella, and given that dressing up and pretending to be something you're not is an American tradition dating back to the Spanish-American War, you can expect to enjoy killer costumes and top-quality people-watching long past the witching hour throughout the new venue.Is the “dracula” surrounded by sexy nurses? Monster Status: REAL. Only a real dracula is that charming.

Tributefest brings together the forces of eight thunderous tribute bands, each raucous ensemble paying tune-covering homage to the legendary rock acts that came before them. Bob your head to the dub stylings of Sublime-friendly 40oz To Freedom (12 p.m.–1 p.m.) before marveling at the replicated mop tops of Beatles outfit Paperback Writer (3:45 p.m.–4:45 p.m.).

Witness the U.S. World Cup team banana kick and back tackle their way through an exciting new season as they face off against teams including the New England Revolution (March 20), Seattle Sounders (July 4), and their archrivals Chivas USA (October 16). Depending on the Galaxy's ability to take names and kick grass this year, fans might see the team's "big three," comprised of the blazing Landon Donovan, superstar David Beckham, and score-savvy Juan Pablo Angel, executing a human pyramid in perfect unison. With the first option, soccer zealots can check out any one of the 17 home games of the season, and those choosing the second option can cheer, clap, and streak across the stands wearing sequined shin guards in a show of support for six separate matches.

Pacific Park’s attractions celebrate Santa Monica Pier’s history with classic rides that run with modern technology. The Pacific Wheel uses solar energy to circle 130 feet into the air, where fist pounds from the man in the moon and scenic views of the coastline await. The energy-efficient attraction is 1 of 12 rides, which include classics, a roller coaster, and a four-story tower drop. Visitors can earn prizes at midway games, refuel at the food court, and get their adrenaline pumping on the rock wall or beach bounce.

Kinetic Theory helps aspiring clowns, acrobats, and plate spinners learn the dangling ropes of circus showmanship with its performance-training program. Led by veteran performers including Cirque du Soleil alums and professionally trained aerialists, the intro to circus arts course incorporates elements of aerial arts, acrobatics, physical training, and basic object skills such as clown-car repair to provide a well-rounded primer on big-top performance. Classes are kept small so students can focus on learning essential skills necessary for safe tumbling and performance, while also improving fitness with a dynamic workout. Kinetic Theory's spacious studio features sturdy safety mats beneath a variety of ropes, silk drapes, and trapezes that provide the playful nostalgia of a playground without the muckraking toddler politics. Introductory classes are held Tuesday and Thursday evenings and Sunday afternoons for adults, while youth sessions take place Thursday afternoons for children as young as 6 years old.