The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

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

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

The oldest living tree in Manhattan comes shrouded in sinister legend.

The end of the 4 Line is also the end of the line for 300,000 souls in one of NYC's most illustrious cemeteries.

A band of aerialists and circus performers putting on incredible shows in East Williamsburg.

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

The "Seinfeld" diner.

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

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

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

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

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

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.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

A magnificent waterfall nestled in the heart of the El Yunque National Forest.

The world's brightest bioluminescent bay.

It marks the spooky spot where the bodies of two young boys were found in the 19th century.

A melancholy guardian doubles as a judicious godmother to this small town cemetery.

The isolated final resting place for perished coal miners.

This general store is more than a century old and home to various oddities and antiques.

Two insane asylum bodies embalmed by an amateur.