This bar hosts an ever-evolving napkin art installation devoted to an American president.

A once-groundbreaking power plant turned into a hotel and mini-museum of archeological and geological wonders.

This quirky curiosity shop takes its cues from the world's bazaars.

Twelve unique carved plaques across Humboldt tell a story of the ingenuity and bravery of ordinary citizens during the city's burning.

For 20 years, this whale skeleton has been slowly dripping oil on the floor of the museum where it hangs.

Eat your way from Ghana to Myanmar on this globe-trotting menu.

This architectural stunner is one of the few surviving Egyptian Revival theaters in the U.S.

A theme park attraction designed to turn your children into LARPers.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

Home to a vast and influential collection of Shakespeareana.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

This imposing Masonic temple a mile from the White House was the first public library in Washington, D.C.

This grisly headstone doesn’t seem to be resting in peace.

The district's only illusionarium supports free writing programs for local students with every purchase.

For 60 years, the academy had no permanent location until members voted Washington D.C. as its forever home.

These recently uncovered walls are all that's left of Washington, D.C's first defense contractor.

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.

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

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

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

A cavernous three-story, 43,800-square-foot basement that was forgotten about for 60 years.

A wondrous old library overlooking the nation's capital.

A tiny piece of the Moon is embedded in this stained glass masterpiece.