| Rotunda topper | 14 |
| Mosque top | 10 |
| It may be retractable | 21 |
| Igloo's shape | 17 |
| Igloo, essentially | 18 |
| Fuller creation | 15 |
| Cover of many a field | 21 |
| Colts play under it | 19 |
| Capitol top | 11 |
| Bowl-shaped structure | 21 |
| Bald head, slangily | 19 |
| Word after pleasure or onion | 28 |
| Tropicana Field feature | 23 |
| The Taj Mahal has one | 21 |
| The Lions play under one | 24 |
| Structure over a rotunda | 24 |
| Structure decreed by Kubla Khan | 31 |
| Stephen King's "Under the __" | 43 |
| Stadium suffix | 14 |
| Stadium roof, perhaps | 21 |
| Stadium cover, perhaps | 22 |
| St. Peter's Church feature | 30 |
| St. Paul's top | 18 |
| St. Paul's has one | 22 |
| Spherical topper | 16 |
| Slangy head | 11 |
| Scenic rail-car feature | 23 |
| Saints play in one | 18 |
| Royal Albert Hall feature | 25 |
| Rounded roof | 12 |
| Roofed sports stadium | 21 |
| Planetarium feature | 19 |
| Nonrectangular part of a skyline | 32 |
| Many a stadium cover | 20 |
| It prevents rainouts | 20 |
| It may be retracted | 19 |
| Indoor arena feature | 20 |
| Houston stadium innovation | 26 |
| Hemispherical vault | 19 |
| Hemisphere shape | 16 |
| Hemisphere | 10 |
| Geodesic ____ | 13 |
| Fuller figure? | 14 |
| Fuller construction | 19 |
| Field topper | 12 |
| Feature of St. Peter's | 26 |
| Feature of some stadiums | 24 |
| Feature of some arenas | 22 |
| Feature of Florence's duomo | 31 |
| Epcot structure | 15 |
| Crown of a furnace | 18 |
| Common cathedral feature | 24 |
| Cathedral feature, often | 24 |
| Cathedral cap | 13 |
| Carrier __: Syracuse stadium | 28 |
| Capitol's top | 17 |
| Capitol part | 12 |
| Capitol idea? | 13 |
| Capitol cover | 13 |
| Buckminster Fuller's was geodesic | 37 |
| Bowl-shaped rooftop | 19 |
| Bell Biv DeVoe smash | 20 |
| Baldpate | 8 |
| Baldie's head | 17 |
| Bald head | 9 |
| AT&T Stadium feature | 24 |
| Astro- or Metro- follower | 25 |
| Astro or Teapot | 15 |
| Arena topper, perhaps | 21 |
| ___ of the Rock (Jerusalem shrine) | 34 |
| ___ of the Rock (Jerusalem landmark) | 36 |
| Like the Capitol | 16 |
| Like some stadiums | 18 |
| Like some heads | 15 |
| Like covered stadiums | 21 |
| Like a rotunda | 14 |
| Having a cupola | 15 |
| Like St. Peter's | 20 |
| With a rounded roof | 19 |
| Like the Pantheon | 17 |
| Like the Capitol building | 25 |
| Like many football stadiums | 27 |
| Having a rounded roof | 21 |
| All-weather, as some ballparks | 30 |
| Round on top | 12 |
| Protected from rainouts, say | 28 |
| Like wigwams and igloos | 23 |
| Like the Vikings' stadium | 29 |
| Like the top of the Capitol | 27 |
| Like the Taj Mahal | 18 |
| Like the Mariners' stadium | 30 |
| Like the Capitol's top | 26 |
| Like the Capitol 44. Run-down | 29 |
| Like St. Paul's | 19 |
| Like St. Basil's | 20 |
| Like some enclosed stadiums | 27 |
| Like some baseball stadiums | 27 |
| Like Royal Albert Hall | 22 |
| Like most mosques | 17 |
| Like modern stadiums | 20 |