The Largest Moons in the Solar System
Jupiter's Ganymede is the largest moon in the Solar System, wider than Mercury, ahead of Saturn's Titan and Jupiter's Callisto: 15 moons ranked by mean diameter.
- 1 · Largest moonGanymede
- 2 · Mean diameter5,262 km
- 3 · Moons ranked15
The Highest-Grossing Media Franchises of All Time
Ranked by estimated lifetime revenue as of 25 October 2026, Pokémon leads 18 media franchises at about $130.7 billion, ahead of Mickey Mouse at $61.2 billion and Winnie the Pooh at $50.2 billion. Estimates vary widely by source.
View ranking →
The Largest Volcanic Eruptions in History
Kikai's Akahoya eruption and Argentina's Cerro Blanco lead at about 170 km³ of tephra each, ahead of Tambora in 1815: 12 Holocene eruptions of VEI 7, plus VEI 6 since 1800, ranked by bulk tephra volume with date, VEI and location.
View ranking →
The Largest IPOs of All Time
SpaceX's June 2026 Nasdaq listing raised $75.0 billion, nearly three times Saudi Aramco's former record of $25.6 billion: 16 initial public offerings ranked by gross proceeds at pricing, as of 24 October 2026.
View ranking →
The Most NBA Championships by Franchise
The Boston Celtics lead with 18 NBA championships, ahead of the Lakers (17) and Warriors (7). As of June 13, 2026, after the Knicks' third title.
View ranking →
The Largest Whale Species in the World
The blue whale, about 30 m long and up to 190 t, is the largest whale and the largest animal known to have lived. These are 14 living whale species ranked by maximum recorded length.
View ranking →
The Best-Selling Prescription Drugs in the World
Merck's Keytruda led 2025 global sales at $31.7 billion, ahead of Lilly's Mounjaro and the BMS-Pfizer Eliquis: 12 prescription drug brands ranked by company-reported net sales for calendar year 2025.
View ranking →
The Most Visited National Parks in the United States
Great Smoky Mountains led the U.S. national parks with 11.5 million recreation visits in 2025, ahead of Zion and Yellowstone: 20 parks ranked by NPS visitor counts, with 2024 change, states, year established and acres.
View ranking →
The Strongest Tropical Cyclones on Record
Typhoon Tip's 870 hPa in 1979 is the lowest central pressure ever recorded in a tropical cyclone, ahead of Hurricane Patricia (872) and Typhoons June and Nora (875): 17 storms from every basin, ranked as of October 23, 2026.
View ranking →
The Deepest Ocean Trenches in the World
The Mariana Trench's Challenger Deep, about 10,935 m down, leads 14 ocean trenches ranked by maximum known depth, ahead of Tonga's Horizon Deep and the Philippine Trench. Depths are sonar and pressure estimates with sourced error.
View ranking →