One of America's most historic homes also holds a startling literary legacy.

10,000 flowered plants bloom in the City of Roses.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

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

Original cabaret handbills, posters, and feline artwork are a purrfect highlight of the Museum of Montmartre.

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

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

César Baldaccini's iconic sculpture of a 40-foot thumb stands tall in La Défense.

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

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Natural history museum celebrating biodiversity with a parade of taxidermy animals.

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

The first green space constructed on an elevated viaduct.

The ruins of a Duke's bucolic dream, where camels once roamed alongside "Dutch" windmills and faux-Italian vineyards.

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

This bridge was constructed from the rubble of the infamous Bastille.

A 16th-century fountain marks the site of a lost medieval cemetery once filled with mass graves.

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.

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

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

The first memorial dedicated solely to the Black troops who fought for the Union.