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

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

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

A New York garbage depot holds a secret collection of weird and wonderful refuse.

One of only two commuter aerial tramways in the United States.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

Peek through the gates at this oasis from the city, full of Old English charm.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

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

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

Elevated freight railway turned wildly successful urban park.

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

Tucked in the back of this amazing antique store is an important piece of medical history.

A crumbling hospital from the 1850s on Roosevelt Island.

A treasure trove of artifacts, books, and artwork from the "golden age" of exploration.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

An abandoned jewel of a ballroom on the top floor of Australia’s busiest rail station echoes with the sounds of a bygone era.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

130 replicas of world wonders squeezed into just 118 acres of space.

Sleep in a climate-controlled plastic bubble for the night.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.