Located in the centre of Amsterdam, the Venustempel (temple of Venus) is the world's first and oldest sex museum. The museum looks at many aspects of. My husband and I went here to kill some time. Definitely an interesting museum. It seemed more of a hodge podge of sex items, images, etc and didn't. LOCATION Museum of Sex Fifth Avenue New York, NY () HOURS Monday – Thursday: 10am – 9pm. Friday & Saturday: 10am – 11pm.