This land is your land: National Public Lands Day and California Coastal Cleanup Day

Just a quick trip north across the Golden Gate Bridge, the peaceful Marin Headlands beckons urbanites and travelers who need a little break from San Francisco's bustling pace. With its rolling hills, dramatic ocean cliffs, and sandy beaches, the Headlands is one of the Golden Gate National Recreation Area's (GGNRA) most diverse -- and beautiful -- areas.

"Sunday Streets" events return to San Francisco this summer

Ciclovia, or "bike path" in Spanish, is an event that originated in Colombia. Every Sunday, more than 70 miles of roads are closed to cars and 1.5 million runners, walkers, skaters, and cyclists hit the streets. Last year, San Francisco brought Ciclovia to the city, closing off selected roads on two Sundays. The events were a big success, drawing 30,000 people.

New exhibit digs deep into Abe Lincoln's past (and his pockets)

If you've ever wondered what was in Abraham Lincoln's pockets the night he was assassinated, here's your chance to find out. To celebrate Lincoln's 200th birthday, the California Museum for History, Women, and the Arts in Sacramento presents "With Malice Toward None: The Abraham Lincoln Bicentennial Exhibition," which charts Lincoln's growth from prairie lawyer to preeminent statesman.