This museum inside a museum tells the story of London's timepieces.

An abandoned asylum once on the cutting edge of lobotomies may be reborn as a Christian college.

This isolated community does not want you to visit.

From scholastic to sepulchral - now under reconstruction.

This Manhattan museum houses one of the largest collections of Spanish art and manuscripts outside of Spain.

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.

One of the last Jazz Age "Wonder Theaters" in New York City.

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

Little Red Lighthouse under the George Washington Bridge.

This abandoned caretaker's apartment is one of 13 left in the New York Public Library system.

The highest point on the island known for buildings that touch the sky.

Mysterious 500-year-old tapestries depict a unicorn hunt.

This Dutch Colonial home is the oldest remaining farmhouse in Manhattan.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

The Hudson River School comes alive at this palatial estate.

An enormous cat made of recycled wood scraps.

This once luxurious Catskills resort is now a haunting ruin.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

A winding, cliffside stretch of road overlooking the Delaware River.

On the second floor of a small town library is an homage to angling and memorial to a great local fisherman.

The "Skinny House" is made from scrap, salvage, and a neighbor’s kindness.

America's greatest forgotten garden and the former stomping grounds of Son of Sam.

An abandoned horticulture institute gloomily presides over rows of derelict and vine-wrought greenhouses.