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

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

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

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

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

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

An oasis of calm amid the chaos of the boardwalk, the museum traces the heritage of this beloved beachside amusement park.

An artist's cute bronze subway sculptures belie his violent artistic past.

Plot your trip through the city on the sidewalk.

The crown jewel of the Queens Museum is a nearly 10,000-square-foot architectural model of the city originally built for the 1964 World's Fair.

Prove you deserve to be fed by Kenny Shopsin.

“Invented in Key West, Perfected in Brooklyn."

A bit of retro transportation flair preserved in the world's largest department store.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

The oldest house in Manhattan is now a museum that remembers the home's sordid history of scandals, vice-presidents, and ghosts.

Though its celestial ceiling is impressive, the true star is the vast collection of French books.

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

Great place to have a drink and a bite to eat in an atmosphere laden with New York's Bohemian past.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

The oldest surviving synagogue in New York City is now a soaring art space.

The oldest operating apothecary in the US has treated everyone from Thomas Edison to Mark Twain.