The U.S. Botanical Garden is a beautiful place to explore and admission is free.
The Smithsonian's National Air and Space Museum maintains the world's largest and most significant collection of aviation and space artifacts. Admission is free.
Our favorite way to sightsee around Washington, D.C. is to rent a City Bike and roam along the monuments.
The museum’s collections tell the history of the planet and are a record of human interaction with the environment and one another. Admission is free.