Rank the World
Datasets with community matchups — pick your favorites
Rivers by Discharge
World's rivers ranked by water discharge volume.
Deserts of the World
Major deserts around the world with area.
Largest Lakes in the World
The largest lakes on Earth by surface area.
Currencies of the World
Official currencies used by countries worldwide.
New Seven Wonders of the World
The seven modern wonders chosen by a global poll of over 100 million votes in 2007.
National Parks of the World
20 iconic national parks from around the world with establishment year, area, ecosystem type, and notable features.
Wonders of the World
15 wonders of the world including ancient, new, and natural wonders with location, country, date, and description.
Capital Cities of the World
Capital cities of all sovereign nations.
Highest Mountains in the World
The highest mountains on Earth by elevation.
Straits of the World
Major straits and sea passages around the world.
Highest Waterfalls in the World
The highest waterfalls on Earth.
Largest Islands in the World
The largest islands on Earth by area.
Largest Cities by Population
World's most populous cities within city proper boundaries.
National Parks of Canada
All national parks in Canada.
National Parks of Japan
All national parks in Japan.
Island Countries
Sovereign states that are islands or archipelagos.
Longest Rivers in the World
The longest rivers on Earth by length.