1. The Sanctuary of Arantzazu is a famous Catholic shrine located in the Basque Country of Spain. It is situated on a hilltop near the village of Oñati, in the province of Gipuzkoa.

The sanctuary was established in the 15th century and has since become an important pilgrimage site. It is dedicated to the Virgin Mary and features a statue of her, known as the Arantzazu Virgin, which is said to have been found in the area.

One of the most interesting facts about the sanctuary is its modernist architecture. The current sanctuary was built between 1950 and 1955 by renowned Basque sculptor, Eduardo Chillida, and the architect, Francisco Javier Sáenz de Oiza. The building is characterized by its angular shapes, clean lines, and use of concrete.

Inside the sanctuary, visitors can admire beautiful religious artworks and sculptures. The main altarpiece, made by Lucio Muñoz, is particularly stunning. The surrounding landscape is also a highlight, with picturesque views of the mountains and valleys.

2. The sanctuary is open every day of the year. The working hours may vary depending on the season, so it is recommended to check the official website or contact them directly for the most up-to-date information. The phone number for the sanctuary is +34 943 78 70 00.

3. Admission to the sanctuary is free. However, there may be a fee for entrance to certain areas or exhibitions. Transportation to the sanctuary can be done by car, as there is a parking area available. It is also possible to reach the sanctuary by public transportation. There are regular bus services from nearby towns such as Oñati and Donostia-San Sebastián.