Follow the original medieval paths that wind through this intriguing section of the city.

The tower was originally used as a chimney for the waste incinerator of St. John's Precinct and Market.

A former fisherman's hut deemed too small for habitation is now a delightful tourist draw.

An iconic work of public art that lights up the downtown area.

This lesser-known Frank Gehry building houses a treasure trove of cinema history.

This structure atop a craggy cliff in one of the most beautiful parks in Paris boasts an unbeatable view.

The site where two doves fell in love.

The narrowest street in Paris.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

This recessed garden protects thousands of mountain plants by creating its own microclimates.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

A haunting collection of the vanished and disappearing natural world.

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

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Paris' linguistic guide to the international language of, yes, love.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

The celebrated eyesore created by starry-eyed sweethearts.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

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

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

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

Hidden behind a YMCA stands the remains of a ceremonial site that dates back hundreds of years, whose ground is still considered sacred to many Hawaiians.