Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

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.

A font of vintage porn on the silver screen.

The first green space constructed on an elevated viaduct.

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

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

A subterranean shelter remains intact under a busy Paris railway station.

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

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

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

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

This massive library holds what was once the largest book collection in the world.

The oldest stone house in Paris was built by its most famous alchemist.

Abandoned railway line circling the city of Paris.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

The stunning interior of this Gothic church is covered in ornate gold details.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

Vancouver's only resting place for the city's deceased.

From mining complex to industrial exhibition, this museum once played a major part in the X-Files.

The wreckage still sits at the exact spot the plane crash-landed in 1945, carrying 1,000 pounds of explosives.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

Locals transformed this Canadian evergreen into a secret hangout with spectacular views of Vancouver's skyline.

The remains of a Canadian train crash are now mouldering beneath layers of rust and graffiti.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.