Witches Market in La Paz Bolivia is one of the most interesting, mysterious yet colorful places in the world. Merchandise sold in The Witches' Market, run by local witch doctors known as yatiri, includes potions, dried frogs, dead lama fetuses, medicinal plants like retama and armadillos used in Bolivian rituals.
"The Dark Knight:" Why So Serious? This alternate reality game was created by California-based 42 Entertainment to promote the Batman movie. Players took to the streets dressed as the Joker, the movie's villain, and campaigned for a new mayor of Gotham City. More than 10 million people in 75 different countries participated, and the film went on to become the highest-grossing movie of 2008.