This cemetery features modernist statues as strange as its name.

A beautiful but toxic fountain of mercury.

This semi-secret storybook hedge maze is also the oldest garden in the city.

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.

Where layer cakes tower above one’s head and there is never a shortage of icing.

This structure among the trees was the result of divine inspiration.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

This translucent sculpture represents a quintessential component of New York City's skyline.

Hordes of precariously balanced stone figures crowd the shores of the Hudson River.

A museum collection honoring the long history of the FDNY is held in a disused Manhattan fire house.

This beautiful building in the heart of Manhattan's Financial District was empty for decades.

To honor his gardening wife, this yard artist turns bowling balls into playful, colorful sculptures.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

The abandoned husk of a mental institution that failed to save a Jazz Age icon still sits nearly unchanged.

A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

From scholastic to sepulchral - now under reconstruction.

This dilapidated castle-like structure overlooks the Hudson River at one of its widest points and was once home to nuns.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

The remains of a failed subway in upstate New York is now an underground graffiti bunker.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.