Agongointo-Zoungoudo Archaeological Park This subterranean town of over 50 dwellings lies thirty feet beneath the Earth's surface. Ganvie Lake Village Africa's Venice on stilts. La Porte du Non-Retour (The Door of No Return) A monument to the more than one million enslaved Africans deported from the port of Ouidah. The Temple of Pythons Dozens of snakes are housed and worshipped within the walls of this Vodun temple. Voodoo Temple of Abomey A giant chameleon, with a fascinating purpose.