The only structure left with direct ties to the Salem witchcraft trials of 1692.

Statue of death tucked in the University of Medicine courtyard.

The narrowest street in Paris.

During the holidays, a vintage subway train whisks New Yorkers back in time.

A fiery crater has been burning in the Karakum Desert since 1971.

Some of the best Persian food in New York comes from the front window of an unassuming pizza shop.

An artist's cute bronze subway sculptures belie his violent artistic past.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.

Leaf through over 30,000 artists' sketchbooks in what may be the world's largest collection of doodles

Tucked away amidst some of the most famous addresses in the world is New York's only fraction of a street.

The "Seinfeld" diner.

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

A celebration of capitalism in Midtown.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This unmarked and unloved Manhattan subway grate created one of the most iconic images in American cinema.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

New York's oldest magic store.

A crumbling hospital from the 1850s on Roosevelt Island.

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

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

This "Palace of Purification" has made many film appearances as a dark and sinister headquarters.

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

One of the foremost Sherlock Holmes collections is hidden away at a Toronto library.