1. The National Basilica of the Sacred Heart in Brussels is one of the largest Roman Catholic churches in the world. It was built between 1905 and 1971 in Art Deco and Art Nouveau styles and stands on a hill in the northwest of Brussels, offering panoramic views of the city. The church is dedicated to the Sacred Heart of Jesus and has a unique spherical dome, which is 89 meters high and made of steel. The interior of the basilica is decorated with marble and stained glass windows, and there are several chapels dedicated to different saints and religious figures. The basilica also houses a museum and a crypt where visitors can see the remains of the founder of the church, Léon Joseph Suenens.

2. The National Basilica of the Sacred Heart is open daily from 9 am to 5 pm. The phone number is +32 2 421 16 18.

3. Admission to the basilica is free, but there is a fee for visiting the dome and the crypt. The ticket prices vary from €5 to €8, depending on the age of the visitors and the type of ticket they choose. The basilica can be reached by public transportation, either by taking bus 13, 14 or 15 or by taking the tram 19 or 82 to the Simonis station and then walking about 10 minutes uphill to the basilica.