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Explore published records from the Mega Record Book global record database.

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1,580 records found
MRB-2026-005645

Tallest Known Living Hardwood Tree in the World

Centurion (Eucalyptus regnans), Tasmania
Australia
Category —
Date —
Reference
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MRB-2026-005644

World's Longest Golf Course

Nullarbor Links
Australia
Category Sports
Date —
Reference
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MRB-2026-005643

World's Largest Island

Australia
Australia
Category —
Date —
Reference
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MRB-2026-005642

Largest Coral Reef System in the World

Great Barrier Reef
Australia
Category —
Date —
Reference
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MRB-2026-005641

Most-Produced Firearm in History

AK-47 (designed by Mikhail Kalashnikov)
Russia
Category Science & Technology
Date —
Reference
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MRB-2026-005640

Highest Mountain in Europe

Mount Elbrus
Russia
Category —
Date —
Reference
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MRB-2026-005639

World's Largest Natural Gas Reserves Held by a Single Company

Gazprom
Russia
Category Business & Industry
Date —
Reference
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MRB-2026-005638

First Human to Travel into Space

Yuri Gagarin
Russia
Category Human Achievement
Date 12 Apr 1961
Reference
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MRB-2026-005637

Most Powerful Nuclear Weapon Ever Detonated

Tsar Bomba (Soviet Union)
Russia
Category Science & Technology
Date 30 Oct 1961
Reference
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MRB-2026-005636

Longest Railway Line in the World

Trans-Siberian Railway
Russia
Category Architecture & Structures
Date —
Reference
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MRB-2026-005635

Deepest and Largest Freshwater Lake by Volume

Lake Baikal
Russia
Category —
Date —
Reference
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MRB-2026-005634

Largest Country in the World by Land Area

Russia
Russia
Category —
Date —
Reference
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