Hundreds of huge, centuries-old horseshoes adorn the walls of this nontraditional 12th-century castle.

This English medieval castle is where King John died of dysentery.

This park and coal mine heritage site is home to two of the last steam winding engines in the UK.

This tallest folly in the world began its life as an elaborate factory chimney.

A creepy tree with a local legend that inspired a nearby theme park ride.

This home of a taxidermy hoarder is among the grandest and most singular of historic English estates.

The house in the middle of the motorway.

The undercroft is a spectacular example of medieval Cistercian architecture.

This lovely ancestral home inspired the author D.H. Lawrence, and features a tunnel made out of a living willow.

The last surviving roundhouse in the United Kingdom also plays host to a popular annual beer and music festival.

A secret meeting in this small cottage changed the course of British history.

The whimsical twist of this spire was either caused by the Devil, an unexpected virgin, or lead.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

A seaside town with no sea in sight.

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

The world's first successful water-powered cotton mill paved the way for the factories of the British Industrial Revolution.

This poignant WWI memorial looks like a lighthouse 100 miles from the sea.

This 2,000-year-old tree inspired the nursery rhyme "Rock-a-bye Baby."

This industrial gem was one of the earliest examples of a metal-framed building.

The longest stone bridge in England has an impressive history that dates back over 700 years.

This historic abandoned train station looks like a stop for ghost trains.

Preserved baths in a Victorian-era spa town frequented by the most famous people of its day.

This medieval manor house was equipped with secret compartments for hiding priests.

This ruined medieval castle was the scene of Lord Robert Dudley’s seductive reception for Queen Elizabeth I.