This crumbling folly looks like an enchanted left over from Middle Earth.

This haunting stone chasm is a hotbed of mossy rock and English legend.

A famous burial ground with a history both grim and literary.

A house of bones — but nobody is quite sure to whom they belong.

Charles Babbage's proto-computer, painstakingly brought to life.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

A 200-year-old prison that now houses a peculiar crime museum.

One of the oldest and certainly best preserved Cistercian abbeys still in existence.

These ancient sunken lanes were naturally tunneled into the soft ground by countless footsteps.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

A historic arboretum and non-conformist, non-denominational park cemetery.

Museum about life, death, and cannibalism in the Stone Age.

Once thought to be the mysterious work of a witchy prophetess, a well with unusual properties turns objects into "stone".

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

A unique waterfall that some believe attracts the fairfolk.

400-year-old garden, restored to beauty.

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

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

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