Travellers enjoy visiting Centro Ciencia Viva de Constancia- Parque de Astronomia, located 0.4 miles from the Quinta De Santa Barbara By Heavens Sleepy Hotel, as well as Almourol Medieval Castle accessible with 15-minute car ride. If you are willing to explore even more landmarks in Constancia, attend the cultural Ponte de Santo Antoninho Heritage Monument located just an 11-minute walk from the property.