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.

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

Exquisite wall sculptures carved in secret by an early quarryman in an obscure corner of the Paris Catacombs.

A former poultry store that looks like a giant duck and is one of the "seven wonders" of Long Island.

The video game-themed street art first popped up in the French city.

The approximate spot where the last Grand Master of the Knights Templar was put to death.

The final resting place of the "father of special effects."

The tomb of history's greatest potato promoter is surrounded by tubers.

Science fiction's grandfather has a fittingly marvelous tomb.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

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 first green space constructed on an elevated viaduct.

Egyptian Revival movie palace abandoned for decades and restored in 2013.

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

This modest marker near Notre Dame identifies the very center of Paris.

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

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

Abandoned railway line circling the city of Paris.

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

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

The final resting place of two (or three) presidents, one vampire, and 18,000 Confederate soldiers.

This historic, one-acre island is the only legal place to camp in the city of Richmond.

Final resting place of one of the classic authors of horror literature.