One of the only single-person private gravesites in New York City.

Site of the first pathological and bacteriological research facility in the United States.

This outdoor gallery of sculptures along the East River was once a landfill.

A mysterious statue of a leather jacket-clad rebel leans coolly on an odd yellow clock.

The mosaic Star of David at the front of this store hints that it's no ordinary Italian grocer.

Hidden inside one of the world's most well-visited zoos is a secret plaque promising eternal life.

A monument marks the spot where the first Catholic missionaries arrived in Uganda.

This small roadside eatery exists in both the Northern and Southern hemispheres, as the equator runs right through it.

This 19th-century Hamptons windmill was once home to modernist painter Agnes Pelton.

The abandoned grounds and derelict greenhouses of this once-magnificent Edwardian estate are now a nature preserve open for exploration.

A mysterious air force base built to resemble a Long Island fishing village.

An architecturally unique lighthouse that had to be lifted up and moved to avoid falling in the sea.

The oldest military monument in the United States.

This urban park is home to monkeys and a number of endangered plants.

This tranquil park with a spiral viewing tower is an off-the-beaten-path area where renowned people have planted a small grove of trees.

Notorious artist squat renovated into legal studios.

Sip coffee and talk politics at this landmark cafe in Astoria's Little Egypt, a contender for the title of America's first hookah bar.

The most radioactive spot in New York City can also fix your muffler.

A collaborative art project that transformed a neighborhood in NYC's Queens.

A public statue crafted by Singapore's pioneering sculptor, Ng Eng Teng.

Chelsea's soldiers were given strict orders when crossing this historic bridge.

The history of those incarcerated in Singapore during World War II is etched into the bricks of a popular staircase.

A firefighting museum housed in a historic station whose Lookout Tower watches over Melbourne.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.