So, in 1937, plans surfaced for "Welthauptstadt Germania," or World Capital Germania ... times the size of St. Peter's Basilica with a dome 16 times larger and room for 160,000 people.

in height and covered with a giant dome, it would have been the largest domed building in the world — able to accommodate 180,000 people at once. A 3-D model of Germania, originally made for the ...