Mary Kelly was last seen here before she was murdered by Jack the Ripper.

A gorgeous mural outside a beloved D.C. restaurant pays homage to famous Black Americans.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."

Look closely and you’ll notice that the color changes a third of the way up the tower.

Need a hardcopy of the 50-title Code of Federal Regulations? This is the place.

A muscular Art Deco monument represents the struggle between regulators and unbridled markets.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

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

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

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

The oldest continuously operating fish market in the United States.

The national park was once a plantation estate.

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

This magnificent herd of stampeding elephants has been frozen in time for over a century.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Church in Manhattan holds the bloody sock of Padre Pio, among with many other unusual relics.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

A Civil War Museum with some notable medical antiques.

The trials and tribulations of marking Poe's grave.

This isn't your average roadway—it's actually a National Park and a transportation pioneer.