One English town's celebratory landmark spurred more trouble than anticipated.

This Tudor-era castle was once part of King Henry VIII's plan to protect England from invasion.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

A beautiful ruin of a 14th-century Plantagenet castle built by a medieval mercenary.

Huge concrete structures designed as an early warning system for Britain to detect enemy aircraft.

Elaborate tile work in this railway station tells the story of Portugal.

A hidden three-foot-wide house separates these two regal churches.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

The stunning interior of this Gothic church is covered in ornate gold details.

This giant sculpture made of trash is a critique of society's wastefulness.

This 17th-century pub once had a hole in its wall so the neighboring blacksmith could easily access beer.

This charming English house was once the home of England's most famous poet.

These remarkable cascades are the jewels of Upper Tees.

This medieval manor house was hastily fortified when it found itself in the middle of the Scottish fight for independence.

This chain of artificial lakes was an ideal test ground for the aircraft that would carry the "bouncing bombs" used by the WWII "Dambusters" squad.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

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

Once the largest unsupported dome in the world, beating out the Pantheon and St Peters in Rome.

This landmark Victorian folly rewards visitors with spectacular views over the Peak District.

A collection of early 19th century trams set in a reconstructed period village.

Its impressive still-working beam engine is a thing of beauty for engineering history fans.

A seaside town with no sea in sight.

These quintessentially English stepping stones were built for Victorian tourists.