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

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

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

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This engineering marvel is the longest bridge in Canada and one of the longest spans in the world.

While this is positively the smallest library in Canada, it aspires to be the smallest in the world.

Three buildings constructed of over 25,000 multicolored glass bottles.

Rusty red sands line the shores of this Canadian Province.

Made from local Irish moss, this pie is served only in Prince Edward Island's potato museum.

This sprawling collection hides many charms.

Go inside the house that inspired L. M. Montgomery to create one of literature's most beloved heroines.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

This plaque in one of London's oldest public hospitals commemorates the first meeting of two of Britain's most famous literary heroes: Sherlock Holmes and Dr. Watson.

The beloved beast's taxidermy remains sit in the Natural History Museum's cafe.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

The Tudor-style cottage in the middle of the square is not quite what it seems.

A monument to the thrice mayor of London who according to lore made his fortune by selling his rat-chasing cat.

Black cat statues guard this temple-like Egyptian revival factory.

Originally built for London’s cab drivers, this bright green hut now serves anyone a hot drink or meal.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.