A magnificent private palace that can be visited by reservation, a crocodile mummy in a private library, a chocolate house, an alchemical ceiling in Schönbrunn, one of the most beautiful pharmacies in the world, an exceptional Art Nouveau church, the tomb of a fish that would have converted to Judaism, a jazz museum in public toilets, a public dump that can be visited like a museum, the oldest organ in Vienna hidden behind a painting, an empress dressed as a nun, the mystery of the symbol 05, a masculine sex discreetly sculpted on the cathedral of Vienna, a surprising private museum of billiards, an incredible bouquet where each flower actually consists of several butterfly wings, a source of water that allows to see the lotto figures for a minute, an extraordinary underground annex of the Mauthausen camp where the world's first jet was built, a "love hotel" historic of great charm ... An indispensable travel guide for those who thought of knowing Vienna or for those who wish to discover the other face of the city.