1. Ajuda National Palace, also known as Palacio Nacional Ajuda, is a historic neoclassical palace located in Lisbon, Portugal. It was originally built in 1795 for the royal family, but construction was halted in 1807 due to the Napoleonic Wars and was only completed in the mid-19th century. The palace features elaborate rooms decorated with marble, gold leaf, and detailed frescos. Visitors can explore the palace’s impressive collection of furniture, tapestries, and porcelain, as well as the royal family’s personal belongings. Interestingly, the palace was also a hospital during the First World War and the 1918 flu pandemic, and later served as the residence of Portugal’s Prime Minister.

2. The Ajuda National Palace is open from Tuesday to Sunday, from 10am to 6pm. The palace can be contacted at +351 213 637 095.

3. Admission to the Ajuda National Palace is €10 for adults and €5 for students and seniors over the age of 65. Children under the age of 12 are admitted for free. Visitors can reach the palace by taking the tram 18 or 25, or by taxi or car. There is also a metro station near the palace called \"Jardim Botânico\" (Green line), which takes about 10-15 minutes walking to the entrance.