Aeroplane food never fails to entertain.

The Washington area metro features the world's coolest station design, with huge vaulted ceilings.

The Washington area metro features the world's coolest station design, with huge vaulted ceilings.

An old (but still in use) rail swing bridge across the Potomac River.

The vaults cross at L'Enfant Plaza Station.

Just like in Fallout 3! But less decayed.

The wavy American Indian Museum, part of the Smithsonian Institute.

America's national botanical gardens.

The Capitol and the Capitol Reflecting Pool (which was not doing much reflecting).