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

A nostalgic bibliographic gem.

The oldest continuously operating fish market in the United States.

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

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

The Byzantine, pre-Columbian, and medieval art at this stately mansion are some of the most under-appreciated collections in D.C.

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

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

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

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

A wondrous old library overlooking the nation's capital.

This grand gothic brewery has been pumping out suds for over a hundred years.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.

Home to items never before seen by the public.

The United States Capitol's former columns still stand.

Franciscan monks created a facsimile of the Holy Land for North Americans who couldn’t afford the trip overseas.

This New Orleans statue of a portly figure in a goofy hat pays homage to a classic of satirical literature.

Inside this art and oddity-filled shop, a small room filled with secrets.

A serene but haunting memorial to protective wetland lost, the absence of which directly damaged the Lower 9th Ward following Hurricane Katrina.

The only home of the famous French impressionist painter open to the public is now a museum and bed and breakfast.

The world-record holder for the longest bridge stretching continuously over water.

It's clear this abandoned Art Deco gem was no ordinary cleaners.

This unique shop is full of memento mori art, antique medical equipment, secret society paraphernalia, and historical relics.

An otherworldly musical haven in The Big Easy.