• Basilica of the National Shrine of the Immaculate Conception in Washington, D.C.
  • Largest Catholic Church in North America
  • Construction began in 1920, and more than a century later it’s still being built. Inside are over 80 chapels honoring cultures and devotions from around the world, brought together in one space. Nearly everything you see is mosaic; designed to last for generations. No tickets. No reservations. You just walk in.