Source: Wikipedia
In August 1986, a crater lake in northwestern Cameroon released a cloud of carbon dioxide that suffocated entire villages in their sleep. Scientists are still working to make sure…
Source: Wikimedia Commons
Rjukan sits in Tinn Municipality, in the Telemark region of southern Norway, roughly 110 miles west of Oslo. The town was built almost from scratch starting in 1907,…
Source: Freepik
A Saturday morning in 1978 had a rhythm that almost no American family follows today. Kids woke before their parents to watch the network cartoon block. Dad drove to…
Source: Wikipedia
In 1948, the Tennessee Valley Authority closed the gates on Watauga Dam in East Tennessee. Behind the dam, the river rose. By the time it stopped, an entire incorporated…
Source: Wikipedia
Craco sits on a 1,300-foot cliff in southern Italy's Basilicata region. People had lived there continuously since the 8th century BC. By 1561 the population had reached 2,590. By…
Source: Wikipedia
On December 26, 1900, the relief ship Hesperus arrived at Eilean Mòr lighthouse in Scotland's Outer Hebrides. The flag wasn't flying. No one was waiting on the landing. When…