The most confusing clock in New York.

This little museum is built on a theater that was once a wildly elaborate speakeasy.

Tucked in the back of this amazing antique store is an important piece of medical history.

A crumbling hospital from the 1850s on Roosevelt Island.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

Church featuring "high Victorian gothic" architecture.

A modern addition to the Greenpoint skyline.

A 9-story, poured concrete structure which was used as a glue factory with an indelible smell.

Walk into the 19th century without leaving Brooklyn.

Abandoned 19th century homes once occupied by naval officers, soon to be demolished.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

Statue of death tucked in the University of Medicine courtyard.

Weird wax anatomical models reside here, as do other anatomical specimens.

One of the oldest medical collections in Europe focusing on rare surgical instruments.

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

An all-American grocery store in Paris sells U.S. "cuisine" like Pop-Tarts and Heinz ketchup to homesick ex-pats.

A counter-culture bookstore like no other hides in plain sight in the streets of Paris.

Where the high court feasted, frolicked, and high courtesans put their royal lovers' diamonds to the test.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The celebrated eyesore created by starry-eyed sweethearts.

A museum on the history of Paris, including a set of Napoleon's toiletries, Proust's room, and relics of the Revolution.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

France's most famous cemetery, with some of its most curious tombs.

Former hunting lodge of a duke who was an avid collector of impressionist works.