The extremely rare formations appeared recently after a Colorado blizzard.
An ad campaign in Hungary asks residents to connect with their nation’s rich musical history.
NASA highlights Lake Shasta’s year-long progress from a virtual dust bowl to a healthy basin.
The West has broiled with incredible heat, while the East Coast looks forward to more snow.
Grainy clouds wafting their way north have contributed to pollution woes in London.
A street artist accomplished the defacement using a cleverly altered pizza box.
The installations comment on the hundreds of people literally living underground in Bucharest.
Warning: This footage might make allergy sufferers sneeze their brains out.
A survey of mountain snowpack has revealed below-average water content.
Watch these drivers cling to a street-sweeper’s bumper like hungry suckerfish.
The city has added “1 million cubic meters of pavement, buildings, and the like every year for nearly three decades,” researchers say.
Since 1979, the region has lost a winter ice cover equal to twice the size of Texas.
This public-art installation wins viewers over with a cutesy scene before revealing a more serious message.
If you’re on the East Coast, it could be Australia.
An urban-forestry nonprofit has mapped the city’s gorgeous, but not-so-touristy, flowering trees.
Exploring the freaky, anthropomorphic street art of Brazil’s Andre Muniz Gonzaga.
This looks like one seriously fun job.
After magnetizing the city with his pine cone-chucking, whittling antics, Seattle’s tree-climbing dude is back on terra firma.