A portal into the bricked up canal that runs through the heart of Washington D.C.

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

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

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

Decades before the scandal, this staircase on the river was a literal "water gate."

Housing the National Women's Party since 1929, this historic house is now a monument to the fight for gender equality.

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

A bas relief commemorates the "Nuns of the Battlefield" who cared for soldiers on both sides of the conflict.

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.”

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

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

One of the dwarven trees dates back to 1625 and survived the Hiroshima bombing.

Home to items never before seen by the public.

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.

Yo, Adrian!

The celebrated eyesore created by starry-eyed sweethearts.

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.