Free and Easy

Every Monday, the Going Out Gurus suggest ways to Washington's cultural scene without spending any money. Have an idea for us? Send it to events@washingtonpost.com.

Monday
Celebrating America's Public Gardens at the U.S. Botanic Garden
An exhibit on "green spaces in public places" includes the largest collection of native Hawaiian plants outside the islands.

Tuesday
Washington Psychotronic Film Society at Dr. Dremo's Taphouse
This week's just-plain-weird feature is "Vengeance of the Zombies," a campy 1973 zombie movie from Spain that mixes grave robbers and voodoo with funky music and funkier fashion. (Hey, it was the '70s.)

Wednesday
Highlights from the Collection of the Art Museum of the Americas at the Inter-American Development Bank's Cultural Center
The Organization of American States shares 39 colorful paintings, photographs and sculptures by Caribbean artists.

Thursday
Vicente Fox at Borders Books and Music
Take a long lunch to meet the Mexican president. He will sign copies of his new memoir, "Revolution of Hope," at the downtown bookstore.

Friday
NSO Prelude at the Kennedy Center
Members of the National Symphony Orchestra perform in small ensembles on the Millennium Stage.

Saturday
Navy Day in D.C.
The Navy Yard hasn't been open to visitors in seven years, so Navy buffs won't want to miss the chance to tour the museum and the historic destroyer USS Barry, or watch the drill team. The day also includes ceremonies and performances at the Navy Memorial and Constitution Hall. The latter concert features "American Idol" finalist -- and Navy Musician 3rd Class -- Phil Stacey.

Sunday
Foggy Bottom/West End Neighborhood Block Party
This is one of the healthiest block parties around, thanks to singing doctors and free medical screenings, but it also features neighborhood businesses and activities for children.