The Art Car Parade transformed Houston into a giant street party on Sunday with more than 250 cars from 23 states rolling through the city streets.
Here's a look at some of the most unforgettable scenes from the parade.2011's first-place winner, The Bat Car.
Balfour Beatty's propane-powered creation is a combination of construction vehicles and a taxi.
Mayor Annise Parker even joined in the fun from the back of a festive convertible art car.
The parade's grand marshal, Lynn Wyatt, perched atop the slick Slider Car.
The Texas Wild Flower Truck, another parade regular.
Elvis Rocks, a 12-foot-long guitar car, rocks and rolls — literally.
The Atomic Dog is one of those art cars that has been so transformed that its "car" is barely visible.
2007's winner, the Finn Jet, is a chromed-out work of impressive metallurgy crafted from the bodies of two Mercedes Benzes that were welded together.
Rock-a-Dillo Returns was perhaps the most overtly Texan car on the road, with its cowboy lassoing viewers from atop a giant armadillo.
The award for best bras, if there were such an award, goes to the Women Rock car, which was dedicated this year to breast cancer survivors.
The Hen-a-Tron makes its slow, looming advance.
Members of the Houston Roller Derby skate in the parade. All the parade participants were on wheels of some kind, whether in cars, on skates, riding bikes or, as one couple rode, atop a jet ski mounted onto John Deere tractor.
The Swamp Mutha.
The Old Van & the Sea looked as if a giant fish were swallowing the car and its driver.
The White Rabbit with paper mache sculptures of the characters from Alice in Wonderland was a much-talked about parade favorite this year.
Darrell and Brian Herndon hope to grab some photos of the amazing cars.
The Heroes car pays tribute to the armed forces.
Amblin is a copper alloy-scaled beastie inspired by the Loch Ness monster.
Stephanie and Maricela Alvarado stand in front of a pickup truck covered completely in tennis balls.
Carmen Carrillo enjoys the parade from her seat in the shade.
Rex Rabbit, a parade regular, is a juxtaposition of terror and fluffiness.