A rare set of strings by famed instrument maker Antonio Stradivarius is on display in the Royal Palace.

Here, exhibits come with a side of edible history.

This secluded ruin was once a home for exotic plants.

A big shiny gin and whiskey distillery in Sunset Park.

The rare American Civil War-era weapon was never fired in anger.

The unassuming structure was part of a Major League Baseball stadium.

One-time largest man-made structure in the world will be a park in 30 years.

Brooklyn's Barkaloo Cemetery is the resting place of a scant two bodies.

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

This haunting tombstone comes complete with a heartbreaking story of love and loss.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

A dark, dank room in subterranean Manhattan was the site of a ghastly murder.

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

A crumbling staircase in upper Manhattan is all that remains of one of the most important sites in sports history.

A discreet little stairway on St. Nicholas Avenue leads to a quaint and unexpected cobblestone street of 19th century wooden rowhouses.

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

The oldest surviving bridge in New York City, which reopened to pedestrians in 2015.

The only thing better than tubing down New Jersey's scenic Delaware River is doing so while eating a hot dog from a giant floating stand.

The home of aviation trailblazers, in a remote corner of the big city.

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.

A retired subway car stands alone in a field in the middle of Queens.

During the American Revolution, this mansion hosted failed peace talks between the British and Americans.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.