Spike the Big Red Dragon, an art car created by Colorado artist Captain Carburetor, shows off its flame poofer.

Robot Heart was universally acknowledged as the finest sunrise dance venue on the playa at Burning Man 2013.

The Rockbox, a bus-sized art car in the shape of an old-fashioned ghettoblaster, was created by Los Angeles artist Derek Wunder.

Xylophage, an installation by the Bay Area collective the Flaming Lotus Girls, featured a hollowed-out tree stump with psychedelic flame effects.

People gather for a big group hug at the Hug Deli.

Dancers, performers and others gather in a great circle below the base of the man.

Marco Cochrane's sculpture "Truth Is Beauty," a 55-foot nude constructed of steel rods and mesh, was one of the most beautiful and striking art installations on the playa at Burning Man 2013.

Stiltwalkers with the Oakland-based Carpetbag Brigade perform below the base of the man.

Bad Unkl Sista, a Bay Area performance group led by Anastazia Louise (center), perform an improvisational butoh.

The Discofish, an art car full of shiny, sparkly people was engineered by Nuvation and blasted some of the best music on the playa in 2013.

More of a social statement than an art piece, Like 4 Real was created by Dutch artist Dadara. In our quest for "Enlikenment," he says, the thumbs-up symbol has become a kind of insidious currency.

Wacky performance artist Steven Ra$pa leads the Billion Bunny March to Protest Humanity.

"Photo Chapel" was a stunning and slightly creepy 40-foot Gothic-style cathedral covered with images and relief sculptures by Petaluma artist and photographer Mike Garlington.

Shannon, a dancer and longtime Burner from Northern California, performs a sunset ballet in the raw.

Heidi and Jason, a couple from San Francisco, show their love on top of "You Are the Key," an installation by Pompano Beach artist "Ralitsa Ivanova."

Artist Matthew "Timeless" Welter inverted the traditional approach to torching art on the playa by burning his installation "Annunaki Watch" from the inside out.

A Burner makes her way through a dust storm at "Drifts," an installation by Berkeley artist Michael Christian.

Panda bears, poseurs and performance artists atop Project Insanity, an installation by New York artist Jessica Panuccio.

Hundreds of fire dancers perform as part of the Fire Conclave before a crowd of more than 50,000 on burn night.

Surka Noelle, a fire dancer from Portland, Oregon, puts on a show at sunrise.

The Crocofly art car stands idle under stormy skies on the final morning of Burning Man 2013.

Brother Baker brought out his "Lovin' Oven," a mini-bakery on wheels, on Sunday morning at the temple, offering people freshly-baked croissants.

Justin Brown's mobile installation "Firefly" consisted of a mechanical bird with flapping wings and gorgeous flame effects.

Dotan Negrin has crisscrossed the United States with his mobile upright piano, playing in the streets of more than 65 cities. Here he performs a beautiful classical piece, mostly to an empty playa, on the final day of Burning Man 2013.