A blunder resulted in these charming stone-lined streams becoming the target of a Nazi bombing.

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

These 90-year-old murals of local kings, Vikings, and outlaws hide in plain sight in a beautifully baroque shopping arcade.

A labyrinthine underworld of tunnels and caverns hides beneath the city.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

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

This magnificent mural was created with over 30,000 colored bricks.

A historic Georgian building and warm springs.

The once-a-day siren is a reminder of the days before time was standardized.

This police call box harkens back to an era of pre-radio communications, and has a rather unique feature.

An enormous steel waterfall is a nod to the substance that shaped Britain's Steel City.

In the 19th century, this pit housed a fully grown black bear for the entertainment of visitors. Today there is a sculpture in tribute to the poor creature.

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

This tiny little pool is said to be home to a malicious mermaid named Jenny Greenteeth.

The view from this giant Stone Age toad is unexpectedly beautiful.

The final resting place of hundreds of Polish airmen who died fighting the Nazis in Britain.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

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

Eyam took steps to quarantine themselves and keep the plague from spreading.

This stone throne invites adventurers to observe breathtaking views of the Peak District.

Once a palace for the Archbishop of York, these 15th-century ruins now serve as a haunt for history buffs.

English parliaments were once convened by this ancient oak tree in the heart of Sherwood Forest.

This unique creation was used to house and wash sheep prior to shearing.

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