Britain's oldest miniature railway.

Tucked among the sand dunes overlooking a Welsh beach, a real-life tribute to a fictional elf.

A museum dedicated to Wales’ favorite—and strangest-looking—watercraft.

During this yearly Welsh swimming race, competitors tread through the fetid waters of a bog trench.

Quirky Welsh observatory unites art and science.

The enormous earthwork sculpture honors the ponies that lived and worked in the old colliery.

The world’s only museum dedicated to baked beans.

A wildlife paradise, this island is one of the world’s most important habitats for burrow nesting seabirds.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

A subterranean playground in an abandoned slate mine.

An Iron Age hillfort rooted in Arthurian legend was made famous by musician Peter Gabriel.

Below a historic English market town lies a secret underground city complete with kitchens, laundries, storerooms, and an underground lake.

The longest hedge maze in the world.

England's only square-dimension hill horse was built to celebrate Queen Victoria's coronation.

The geoglyph once sported a glass bottle eye.

A giant white horse drawn on an English hillside may not have been intended to be a horse at all.

Besieged by war, this castle ruin has crumbled into a peaceful picnic spot.

This massive chalk hill carving is one of England's most beloved giant horse geoglyphs.

Soldiers carved these regimental badges into the chalk hills in remembrance of those who died in World War I.

Several Iron Age artifacts were discovered during excavations of this ancient site.

The first archaeological site discovered by aerial photography.

Famously misunderstood wonder of the ancient world

An architect transformed this abandoned cement factory into his castle-like workshop.

The largest greenhouse in the world is home to over one million types of plants.