1. 7 wonders of the Ancient world
- Hanging Gardens of Babylon
- Statue of Zeus at Olympia
- Temple of Artemis at Ephesus
- Mausoleum at Halicarnassus
- Colossus at Rhodes
- Pharos of Alexandria
- Great Pyramid of Giza
7 wonders of the Mid Evil world
- Stone Henge
- Colosseum
- Catacombs of Hom el Shogafa
- Great Wall of China
- Porcelain Tower of Nigeria
- Leaning tower of Pisa
Could also be…
- Taj Mahal
- Cairo Citadel
- Ely Cathedral
- Clumy Abby
7 wonders of the Modern world
- Channel Tunnel
- CN Tower
- Empire State Building
- Golden Gate Bridge
- Itaipu Dam
- Delta/Zuiderzee Works
- Panama Canal
7 Natural wonders of the world
- Grand Canyon
- Great Barrier Reef
- Harbor of Rio de Janeiro
- Mount Everest
- Aurora
- Paricutin Volcano
- Victoria Falls
New 7 wonders of the world by the Foundation
- Great wall of China
- Petra
- Christ the Redeemer

2. - Machu Picchu
- Chichen Itzo
- Colosseum
- Taj Mahal
- Great Pyramid of Giza
USA 7 wonders of the world
- Papahanaumokuakea Marine National Monument
- Great Migration of Serengeti and Masai Mara
- Old city of Jerusalem
- Potala Palace
- Polar Ice caps
- Maya Ruins
- Internet
- The 8th would be the Grand Canyon
7 wonders of the Industrial world
- SS Great Eastern
- Bell Rock Light House
- Brooklyn Bridge
- London Sewage System
- First Transcontinental Rail road
- Panama Canal
- Hover Dam
7 wonders of the Under Water world
- Palau
- Belize Barrier Reef
- Great Barrier Reef
- Deep-sea Vents
- Galapagos islands
- Lake Baikol
- North Red Sea