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

New York's oldest magic store.

Piano-making empire filled with 200-year-old steam machines still churning out 1,000 instruments a year.

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

A crumbling hospital from the 1850s on Roosevelt Island.

The oldest bibliophilia club in America, with exhibitions on historic books and graphic arts.

Unique antiquarian shop specializing in globes, maps, and prints.

Elevated freight railway turned wildly successful urban park.

New York City's smallest piece of private property.

Become a prohibition rebel.

Reverend Jen's unique museum/living room showcases her troll collection.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

Europe's largest prehistoric mound – burial site of a legendary king?

A petite castle folly in the English countryside.

"The Most Wonderful Wonder that ever appeared to the Wonder of the British Nation."

Rare and wonderfully wormy cadaver art captured in brass for centuries.

These strikingly barren, rolling red hills were caused by bad farming practices.

Smallest house in Toronto sits on a lot meant to be just wide enough for cars to drive through.

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

Lost subway station nestled beneath Toronto's busy commuter line.

Secret Swing.

This shop and gallery is a modern-day cabinet of curiosities, unassumingly positioned along an urban thoroughfare.