Focus

Cave System

Discovery
Discovery

Missionary Hears Echo Inside Crevice, Learns Its Actually a Sprawling Cave 5.6 Miles Long

Missionary Hears Echo Inside Crevice, Learns Its Actually a Sprawling Cave 5.6 Miles Long
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Discovery
Discovery

This ‘Cave Organ’ Strikes Stalactites to Make Music—Is the World’s Largest Percussion Instrument

This ‘Cave Organ’ Strikes Stalactites to Make Music—Is the World’s Largest Percussion Instrument
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Discovery
Discovery

Spelunker Stumbles on Cave Untouched for Thousands of Years, Full of Prehistoric Cave Bears Marks

Spelunker Stumbles on Cave Untouched for Thousands of Years, Full of Prehistoric Cave Bears Marks
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Animals
Animals

Spelunkers Find Dog 500 Feet Inside Missouri’s 2nd-Largest Cave System After Going Missing for 2 Months

Spelunkers Find Dog 500 Feet Inside Missouri’s 2nd-Largest Cave System After Going Missing for 2 Months
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US Features
US Features

Exploration in Kentucky Expands the World’s Longest Cave

Exploration in Kentucky Expands the World’s Longest Cave
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