Sponsored - For Halloween this year, the most unusual and bewitching Parisian rendezvous awaits you at the Aquarium Club, located in the Jardins du Trocadéro, in the heart of the Aquarium de Paris. On October 31, from 11.45pm until dawn, the Aquarium Club will transform its spectacular space into an underwater kingdom where sea monsters and ghostly mermaids will be on hand for an unforgettable evening of horror and dance.