The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

Washington's iconic carousel has a nice piece of Civil Rights history.

Members of Congress have traveled between the buildings on Capitol Hill for a century hidden from tourists, press, and storm clouds.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.

The actual model from the original "Star Trek" series is now on display at the National Air and Space Museum.

The national park was once a plantation estate.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Home to items never before seen by the public.

This little replica of Lady Liberty provides a bit of NYC in a Japanese city.

The freshest fish here are the ones you catch yourself.

A 20-meter (65-foot) robot towers over Tokyo Bay.

A magical place that lets you play in and explore the world of Studio Ghibli.

A restaurant modeled after feudal Japan, where the waitstaff are trained as ninjas.