This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Home to the infamous "Typhoid Mary" and the worst loss of life in New York's history prior to September 11, 2001.

The oldest surviving synagogue in New York City is now a soaring art space.

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

A dilapidated dock tells the story of Titanic's missed arrival.

Ride the subways of yesteryear.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Try not to get slimed in Tribeca.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

A crumbling hospital from the 1850s on Roosevelt Island.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

South Korea's love of the silly photograph is on full display at this goofy collection of trompe l'oeil paintings.

This former coal mine has been turned into a sprawling modern art complex.

A chilling monument to Korean patriots who resisted the Japanese occupation.

The history of the plush toy and South Korea collected under one roof.

A unique structure located on the grounds of one of five grand palaces that were built by the Joseon dynasty.

South Korea's only sex-themed park.

Secret North Korean passage discovered below the world's most dangerous border.

A theme park made of glass, from the gleaming books on the shelves to the crystal fish in the mirror lake.

Step into a cartoon at this Seoul café that aims to evoke a two-dimensional scene.

Plenty of old carney magic still haunts this photogenic amusement park.

Throughout this South Korean village, homes and businesses are covered in fantastic handpainted murals.