The only National Monument ever to go missing for nearly 50 years then resurface in a dump.

This stately mansion, built in 1787 by America's first Secretary of the Navy, is rumored to be one of the most haunted buildings in Washington, DC.

Architecture lovers won’t stop touching the National Gallery's 19.5 degree marble prow.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

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

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The unique traffic pattern named for an influential urban planner is also known as the Pedestrian Scramble.

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

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

The privately owned cemetery that holds room for Washington's finest when they step down from life.

The first Russian Orthodox church in the Catholic city of Rome in almost a thousand years.

A local farm's collection of unusual structures from a now defunct storybook amusement park.

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.