Art & Architecture

Mysterious ancient stone formation in Australia is likely world’s oldest observatory

New York Public Library's iconic Rose Room reopens in full bloom

10 of the best ancient cave paintings

With new discovery, Winchester Mystery House now has 161 rooms

Ancient Viking rune stone, missing for 200 years, unearthed in Sweden

An itsy-bitsy redwood forest flourishes in downtown Brooklyn

Art festival blankets Fort Smith in rainbow paint and recycled junk

12 impressive Carnegie libraries still in use today

Manhattan is getting a $150M 'stairway to nowhere'

A living cathedral of trees is slowly growing in Italy

Sanitation worker finds real treasures in trash

Smithsonian museum captures all sides of the African-American story