A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

Notorious artist squat renovated into legal studios.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

This Parisian fountain is a little bit fantasy and a little bit nightclub.

This 18th-century sundial was designed to calculate the date of Easter each year.

An overlooked marble is the only surviving in-place 18th century example of the measurement that changed how we define distance.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

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

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

A painfully obvious spy house sits right across the street from the Russian Embassy.

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

A historic neighborhood church is reborn as a psychedelic arts collective.

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.

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