This abandoned subway station beneath the Waldorf-Astoria hotel is allegedly used to secretly transport presidents.

Commemorating the spot where the famous scientist fed his pigeons.

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

A bit of retro transportation flair preserved in the world's largest department store.

A semi-scholarly approach to sex.

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

This historic club for wayward boys has shaped some of the biggest names in music almost as much as they have shaped it.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Have a seat with the father of modern computing at this Manchester monument.

A special shop catering to the needs of things that go bump in the night, and also helps kids become writers.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

Astonishing rock formations dot the Brimham Moor landscape.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

A century-old tradition has culminated in a small but singular collection of feline effigies.

The signs of a long buried road can still be found hidden beneath a London sewer grate.

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