7 fault lines

1. North Anatolian Fault, Turkey
2. Liquine-Ofqui Fault, Chile
3. Chaman Fault, Pakistan/Afghanistan
4. San Jacinto Fault, USA
5. Itoigawa-Shizuoka, Japan
6. Macquarie Fault, New Zealand/Indonesia
7. Chixoy-Polochic Fault, Central America

7 unusual buildings

1. The Crooked House, Sopot, Poland
2. The Basket Building, Ohio, USA
3. Kunsthaus, Graz, Austria
4. House Attack, Viena, Austria
5. Stone House, Guimarães, Portugal
6. The Church of Hallgrimur, Reykjavik, Iceland
7. The National Library, Minsk, Belarus

7 types of telescope

1. Refracting Telescope
2. Very Long Baseline Interferometry Telescope
3. Wolter Telescope
4. Neutrino Telescope
5. High Energy Particle Telescope
6. Gravitational Wave Detector Telescope
7. Sub-millimetre Telescope

7 species of Frogmouth

1. Tawny Frogmouth
2. Marbled Frogmouth
3. Dulit Frogmouth
4. Gould's Frogmouth
5. Javan Frogmouth
6. Sunda Frogmouth
7. Cinnamon Frogmouth

7 Tarts

1. Tarte Tatin
2. Bakewell Tart
3. Quiche
4. Zwiebelkuchen
5. Custard Tart
6. Pastel de Nata
7. Neenish Tart

7 questions we got right in this week's University Challenge

1. Yellow
2. Grieg
3. Nymph
4. Chile
5. Cotton
6. Roman Abramovich
7. Geoffrey Chaucer

7 English words commonly accepted as having no perfect rhyme

1. Angst
2. Gulf
3. Monster
4. Neutron
5. Ninth
6. Filmed
7. Bulb