National Shrine of the Nuestra Senora Del Santissimo Rosario

The Basilica of the National Shrine of the Immaculate Conception is a Catholic minor basilica and national shrine in Washington D.C. It is the largest Catholic church building in North America and is also the tallest habitable building in Washington, D.C. Its construction of Byzantine and Romanesque Revival architecture began on 23 September 1920.
  • Location: Washington, D.C., U.S.
  • Completed: December 8, 2017
  • Capacity: 10,000 · (9,000: Great Upper Church; · 1,000: Crypt Church)
  • Address: 400 Michigan Avenue NE
  • Country: United States
  • Denomination: Catholic Church
  • Tradition: Roman Rite, various Eastern Catholic liturgies
Data from: en.wikipedia.org