This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.

A gorge full of caverns where early humans lived alongside cave hyenas, giant mammoths and wooly rhinoceroses.

This Victorian gate contains cryptic inscriptions in Greek, Latin, and Hebrew.

This early Norman castle was the first historical monument protected by an act of Parliament.

One could not be blamed for literally walking all over this supposed landmark.

The curious and tiny collection contains some very odd objects.

The remains of a historic kiln once used to produce the famous Rockingham porcelain.

This industrial museum is based on one of the oldest standing iron forges in the U.K.

One of the largest mechanical models of the solar system in the world.

The oldest known metal-mining site in England dates back to the Bronze Age.

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

An abandoned canal route lies hidden under the streets of Manchester.

Hidden on the urban banks of a Manchester river are a series of abandoned waterside industrial sites.

This small building nestled along the Dove River is seen by some as the birthplace of angling as a sport.

This historic textile mill has been repurposed as a shopping outlet, which houses a textile museum that celebrates its industrial past.

The bizarre headgear looks like it was made for a fool, not a king.

A unique 1980s designed church sits uncomfortably in its traditional Victorian churchyard.

Some of England's last cave dwellers lived and worked within this huge cave.

Mysterious stone faces line a hidden path great for seeing wildflowers, bird watching, and rock climbing.

A brick foundation and piles of listing building materials are all that remains of this World War II POW camp.

This unique sculpture of a steelworker is hidden amid the trees of Sheffield.

In England, a barn-turned-wedding venue dates back to the 13th century.

A stone wall commemorates the legend of a ferocious dragon who literally got his butt kicked by a knight.

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