We think Washington is a great city to visit any time, but if you time your trip right, you can participate in one of these "only in Washington" events.

While you can just wander in to any Smithsonian museum without tickets or reservations, other attractions require a decent amount of advance planning.

The best way to explore Washington is without your car. Our introduction to the city's Metro rail and bus system, taxis and guided tours will have you moving in no time.

With the exception of the Smithsonian Institution, Washington's museums and galleries are not a predictable 9-to-5 bunch. Some close early in the week, when there's less foot traffic, while others extend their hours in hopes of attracting office workers who can't stop by during the day....