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

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

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

This oddly placed 15th-century church is one of only six bridge chapels left in England.

Each year a new straw behemoth is born.

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

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

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

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

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

A magnificent winding road through a steep valley, with deep natural caverns at the bottom

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

This ancient Irish landscape boasts hundreds of legendary ruins.

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.

The heroic tale of a remarkable pup who refused to leave her master's side, no matter what.

These medieval monastery ruins are surprisingly overlooked by most tourists.

Western Europe's only representation of a Roman goddess still in its original location sits in an unassuming park.

Mysteriously stacked storefront paths give this medieval British town an iconic style like none other.

This Cheshire museum has cuckoo clocks, a rare pipe organ and vintage motorbikes. But mostly cuckoo clocks.

At the United Kingdom's only residential library you can sleep among the books.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

The stately remains of Llywelyn the Great's mighty fortress.

Obelisks and stone pineapples in the Irish countryside.