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Geography Iceberg: The World’s Weirdest Places #1

This 50 question quiz includes random geography questions covering obscure places, weird borders and extreme locations, hidden capitals, strange islands and geographic oddities.
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tropicana1
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Last updated: May 10, 2026
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First submittedMay 10, 2026
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Answer
Which country has the highest population density on average (excluding microstates)?
Bangladesh
What is the world’s largest uninhabited island over 50,000 km²?
Devon Island
What is the world’s largest river island by area?
Majuli
What is the Dutch constituent country in the Caribbean composed of multiple islands?
Curaçao
Which country has the lowest population density in continental land?
Mongolia
What is the giant blue hole in Belize called?
Great Blue Hole
What is the world’s most densely divided island politically?
Saint Martin
Which country has the largest percentage of land below sea level?
Netherlands
Which country contains the most tectonic plate boundaries?
Indonesia
Which country has the most extreme elevation difference between capital and highest peak?
Bolivia
What is the narrow strip linking mainland Russia to Kaliningrad called in NATO defense planning?
Suwalki Gap
What is the smallest inhabited island in the world with permanent civilian population?
Bishop Rock
Which country contains the world’s largest inland delta?
Botswana
Name the giant seasonal lake that forms in Botswana during wet years.
Lake Ngami
What is the name of the tiny Italian enclave inside Switzerland where the euro is used unofficially?
Campione d’Italia
Name the depression in Djibouti that contains one of the saltiest bodies of water on Earth.
Lake Assal
Which country has the most lakes per square kilometer?
Finland
What narrow canyon in Namibia is second only to the Grand Canyon in scale?
Fish River Canyon
What is the deepest known cave on Earth?
Veryovkina Cave
What is the disputed territory between India, Pakistan, and China in the Himalayas?
Aksai Chin
What is the only sovereign state entirely located on a single island shared with no other country?
Madagascar
Name the largest island in a lake on an island in a lake on an island.
Vulcan Point
What is Earth’s largest known impact crater by confirmed structure?
Vredefort Crater
What is the name of the Danish autonomous territory in the North Atlantic?
Faroe Islands
Which country's capital city has the most old Dutch colonial architecture from the 1700s-1800s?
Paramaribo
Name the underwater plateau larger than India submerged in the Indian Ocean.
Kerguelen Plateau
What is the world’s northernmost permanently inhabited settlement?
Alert
Which country contains the largest desert entirely within its borders?
Australia
Name the tiny island in the Bering Strait where tomorrow and yesterday are visible from neighboring islands.
Big Diomede, Little Diomede
What is the Norwegian territory on Antarctica claimed under a sector principle?
Queen Maud Land
What country is known for dense forest roads + red-and-white poles + Baltic architecture mix?
Lithuania
What island is split between Haiti and the Dominican Republic?
Hispaniola
What is the twin-city divided by a river where one side is EU and the other is non-EU Schengen?
Baarle-Nassau / Baarle-Hertog
Which country has the most extreme desert-to-rainforest gradient within its borders?
Peru
What is the southernmost city on Earth?
Puerto Williams
What is the world’s largest exposed granite monolith?
Uluru
What is the only territory where Britain, France, and the Netherlands all meet indirectly via maritime claims?
Saint Martin/Sint Maarten maritime boundary zone
What is the only sea in the world without shores?
Sargasso Sea
What is the world’s southernmost active volcano?
Mount Erebus
What is the Spanish autonomous city located on the African continent but not considered part of the EU customs area fully?
Ceuta
What is the world’s largest endorheic salt flat?
Salar de Uyuni
Name the world’s largest hypersaline lagoon.
Laguna de Torrevieja
Which country contains the most large river systems crossing international borders?
China
Which country is split into two non-contiguous main landmasses by another country?
Azerbaijan
What is the only African country with a territory on both mainland Africa and an island group in the Atlantic under separate jurisdictions?
Equatorial Guinea
What is the Russian territory cut off by Poland and Lithuania?
Kaliningrad Oblast
Which country has the most glaciers outside polar regions?
Pakistan
What is the deepest point in the Mediterranean Sea called?
Calypso Deep
What is the name of the point in Namibia that creates a near-contact of four countries?
Caprivi Strip
What is the circular coral atoll nation whose islands form a ring around a lagoon larger than its landmass?
Tuvalu
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