10 parks that have shaped American cities

Winner of skyscraper design competition digs down instead of building up

How to share Earth with other animals

The Mile is an urban park thrust 5,280 feet into the atmosphere

15 plants that could kill you

Meet the beautiful botanic garden that has some Houston residents seeing red, not green

Meet the wild ponies of Grayson Highlands State Park

Hidden lion population found in Ethiopia

You can now pee en plein air at one of San Francisco's most popular parks

Why would militants take over a wildlife refuge?

How to hang out with wild snow monkeys

The plan to tuck a park under Toronto's ugly elevated expressway