Market Street stands in for the tiger swallowtail's natural river canyon environment.

"Through his comedy, Robin Williams brought so much light into this world, which is why it is fitting that we are naming a beautiful outdoor meadow in his honor," said Mayor Ed Lee.

If the change goes through, the park would be temporarily renamed 'Embarcadero Plaza.'

The coyote could not be reached for comment.

Alexandra Kenin takes explorers through the city's 220 public parks and 70 miles of urban hiking.

Nearly three years after upgrades were first announced, work on the Panhandle Playground is set to start next spring.

It's a national park, but litterbugs leave behind everything from diapers to wine bottles.

The goats are helping to expose century-old garden walks down to Aquatic Park.

Tomorrow's event will be the largest tree planting in San Francisco's history.

Participants hope to fight erosion and climate change by adding compost to sandy soil.

Several water features have been reactivated, but some fountains will require testing and repairs.

Rec & Park isn't aware of any dens in the area, but a resident said Park Patrol is warning neighbors to "keep an eye out."

Construction for the new Guy Place Park is expected to take one year.