Remains of Roman amphitheater hidden in a sleepy quarter of Paris.

A majestic lion statue guards this Parisian botanical garden, and feeds on an unsettling item.

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

A gruesome combat between a hunter and a furious momma bear.

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

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

Montmartre's sole surviving windmill became an iconic landmark for 19th-century painters, artists, and bohemians.

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 oldest and smallest cemetery in Paris is only open to the public twice a year.

A museum of magic with a Sadist past.

A surrealist timepiece by the artist of melting clocks.

This demon atop the Notre-Dame de Paris looks utterly bored.

This 400-year-old tree is actually an immigrant from North America.

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

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

A scandalous Art Nouveau collaboration that set Paris all atwitter at the turn of the 20th century.

These markers are used to document elevation changes around the famed dam.

A beautiful geyser under environmental threat.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

Striking, enormous gold-plated sculpture of Buddha installed in the 19th century.

Enormous pendulum helps keep Taiwan's tallest building from swaying.

A tiny park in the middle of some big power politics.

Deep into the lower floors of Pike Place, find a date with fowl fate.