1. Wawel Royal Castle is a popular tourist attraction located in Krakow, Poland. The castle complex consists of multiple buildings and structures, including the Wawel Cathedral, the Royal Palace, and the Sigismund Chapel. The Wawel Hill has been known as a cultural center since the early Middle Ages and was the site of the Polish royal coronations and burials.

Some interesting facts about Wawel Royal Castle include:

- The castle was built in the 16th century, but parts of it date back to the 11th century.

- During World War II, the castle was occupied by the Nazis and used as the headquarters for the governor-general of the General Government of Poland. Many of the castle’s priceless treasures were looted or destroyed during this time.

- The Royal Palace is home to a collection of more than 30,000 works of art, including paintings, sculptures, and tapestries.

- The Wawel Cathedral is the burial site of many Polish kings and national heroes, including Józef Piłsudski and Tadeusz Kościuszko.

2. The working time of Wawel Royal Castle varies by season, but generally, the castle is open from 9:00 am to 5:00 pm. The castle is closed on Mondays from November to March, but is open every day from April to October. The phone number for the castle is +48 12 422 16 09.

3. Ticket prices for Wawel Royal Castle vary depending on which parts of the castle you want to visit. A regular ticket for the State Rooms and Royal Private Apartments costs 25 PLN (about $6.50 USD), while a ticket for the Crown Treasury and Armoury costs 22 PLN (about $5.50 USD). There are also combination tickets available that allow you to visit multiple parts of the castle. Visitors can purchase tickets online or at the castle itself. The castle is located in the center of Krakow and can be reached by public transportation, including trams and buses.