The fanciest public restroom in New York City boasts fresh flowers, art, and a classical music soundtrack.

Commemorating the spot where the famous scientist fed his pigeons.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

A small graveyard is hidden in the midst of a bustling university campus.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

This study room in the New York Public Library saw the creation of one of contemporary America's greatest traitors.

A whimsical, but often overlooked clock in Park Avenue.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The famous facade of Grand Central Terminal hides a regulation tennis court—and it's not the first one.

A very classy 1920s-era bar right in Grand Central Station.

A modest grave marks the final resting place of one of the world's most influential religious figures.

A speakeasy takes on Chicago's drinking culture.

Take a trip back in time at this retro cinema dating back to 1954.

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

On the wall of this medieval walkway, a symbol of the Spanish Inquisition.

An early 20th-century bullring converted into a modern shopping center.

This home designed for chocolate magnate Antoni Amatller is an exquisite treasure-box of Catalan Modernism.

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

Beneath the city of Lourdes, France is a massive, concrete church.

Historic medieval fortified city in southwest France.

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

This massive blockhead sculpture hides an entire library.