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

The most decorated dog of World War I is preserved in the Smithsonian.

A museum cafe showcases Native American dishes and indigenous ingredients from across the Western Hemisphere.

A Civil War fort in the middle of Washington, D.C. has been swallowed by a forest.

The oldest continuously operating fish market in the United States.

A rotating cast of guys and dolls in front of a Washington, D.C. building.

There’s a hidden military meme engraved on the World War II Memorial.

This stunning blue and gold room changed cities twice before becoming part of the Smithsonian.

The beloved statue at the National Academy of Sciences is oh so inviting to sit on.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

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

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

A monument in Washington D.C. marks the spot from which all other roads were supposed to stem.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

A historic neighborhood church is reborn as a psychedelic arts collective.

The site of the climactic scene from the classic horror film is now a historic landmark.

The United States Capitol's former columns still stand.

A world of craftwork elegantly curated in a historic brick warehouse.

The U.S. Navy's last diesel-electric submarine rests half-submerged in the middle of Portland.

The oldest tofu shop in the United States is a firm favorite with locals.

Is this the most Portland place ever?

This contemporary art museum is filled with other, smaller museums, which feature work from artists primarily in the Pacific Northwest.

A 1,000 pound brass bell commemorates a time when this small maritime neighborhood was actually its own separate city.

Granting the right of way to ships over surface traffic since 1917.