Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

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

The celebrated eyesore created by starry-eyed sweethearts.

This Parisian café is dedicated to great tea and the art of knitting.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

The narrowest street in Paris.

Architect Le Corbusier built his friend a cubist house to match his impressive collection of cubist art.

An off-the-beaten-path boutique stuffed with an eclectic collection of upcycled goods.

This off-limits room in the National Library of France is home to a system of pneumatic tubes, once used to bring books to readers.

One of the last umbrella repair shops in Paris upholds the nostalgic art of umbrella making.

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.

The subterranean "lake" below the Paris opera house inspired the Phantom of the Opera's lair.

The curious underground history of keeping Paris clean.

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

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

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

This Parisian café sticks almost exclusively to an ethos of reuse.

France's national museum of scientific and industrial instruments.

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

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

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

Abandoned railway line circling the city of Paris.

Sleep snuggled in a sphere suspended atop the forest canopy of Vancouver Island.

This Elizabethan hedge maze is one of only six in North America.