The ritual has been performed uninterrupted for nearly 700 years.

A wonderfully eclectic Victorian aquarium lies in the basement of the Horniman Museum.

Taxidermied animals galore, by appointment only.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The first tunnel to be dug beneath a river, repurposed as an art and museum space.

The pioneer of psychoanalysis spent the final year of his life here, still seeing patients on that famous couch.

A cluttered and astounding collection of antiquities and curiosities.

This 1920s Dutch barge is now a floating bookstore.

An incarceration museum on the spot of possibly the oldest prison in England.

The site of London's first coffee house has been serving refreshments of one kind or another for 360 years.

The anatomical-pathological collection of a man who changed surgery.

A historic house left in "dramatic still life."

Rebuilt remains of a temple to Roman god Mithras.

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

One part local history, 99 parts gruesome haunted house.

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

The perfectly preserved underground rooms where Churchill plotted the war against Germany.

This iconic Peak District ridge was once one of the busiest roads in medieval Britain.

The eccentric mansion of one the most popular horror authors of modern times.

This little museum in the town where zombies were born celebrates the living dead.

Paranormal experiences in this hotel's room 217 led Stephen King to write "The Shining."

The quaint little Vermont town played a quaint little Connecticut town in Tim Burton's "Beetlejuice."

This grand mansion has starred in everything from Bones to Buffy.

This glamorous old building is said to have inspired the Tower of Terror.