Dine in a candlelit grotto, dive with manta rays, and more in these destinations of a lifetime https://t.co/1UaW7e2lJa

Skijoring is a popular not only in the frigid regions north of the Arctic Circle, but also among a growing number of fans in the US https://t.co/qXtN0aFcQa

These frogs may be tiny, but they're on a big mission https://t.co/LuMrsOw6S2

A mass grave discovered on the grounds of a former abbey provides rare and unexpected evidence of how rural populations handled the 1348 plague https://t.co/sdSXmemfN7

“I took this picture while waiting for the sunset, and almost forgot to press the trigger while enjoying this ultimate moment of silence,” writes photographer Menno Lammerts van Bueren https://t.co/jlBDHudP4p

The region has experienced dramatic warming in recent decades, making it easier for heat spells to veer into record-breaking territory https://t.co/5N2sdVTHEX

Now 95, Marine Corps veteran Bill Montgomery recalls the battle that killed most of the men in his unit. "I've never understood how I wasn't hit" https://t.co/MRPf4Ijine

The scale of the locust outbreak is like nothing in recent memory, and threatening the food supply of tens of millions in seven East African countries https://t.co/gaCy0JUfUP

Susan B. Anthony spent most of her life advocating for equal rights for women, but never got to vote—legally at least https://t.co/z9fJdoLwqP

In a bid to attract visitors, a remote village in India's northeastern frontier has declared itself an ecological zone https://t.co/PQfCrKQSYn

Did you know matabele ants were the first non-human animals to be observed systematically nursing their wounded back to health? https://t.co/SjaQBhbmPT

Blink and you'll miss it. Flattie spiders ambush their prey with unnerving speed https://t.co/v3LcdaILoR

Dance your heart out, enjoy the thrill of the chase, and relish celebrating life Cajun-style, if only for a day https://t.co/twvjDUd8wC

These leaping, googly-eyed fish mate in mud burrows where they adjust water levels to help eggs hatch. https://t.co/QrJkWOJmFG

Arctic foxes are difficult to spot and film—especially when in their springtime camouflage https://t.co/ZMqddHuSuo

Now travelers can help restore reefs by supporting coral replanting programs https://t.co/c3AJ24uccO

What they lack in tentacles, they make up for in gooey clouds full of autonomous stingers https://t.co/dYoXJT394w

With no cars, no banks, and no high-rises, travelers don’t come here to be seen—they come to get lost https://t.co/VaGgU9eHsr

The last census of chinstrap penguins on Elephant Island identified 123,000 nests in 1971. A scientific survey this year found less than half that number https://t.co/OFff96i1Pp

"If we do this, 10 years from now our schoolchildren will not know or care when George Washington was born. They will know that in the middle of February they will have a 3-day weekend for some reason" #PresidentsDay https://t.co/HWaKKaWk66