The largest public library in the United Kingdom was designed to reflect the industrial and artistic history of the city where it stands.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

Once the last route taken by condemned prisoners.

The western face was supposedly left clock-less to snub the Welsh.

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

A rare wooden coffin set vertically into the Gothic arch of an ruined church.

The oldest licensed distillery in Ireland.

This ancient Irish landscape boasts hundreds of legendary ruins.

A meandering boardwalk across the bogland leads to a "stairway to heaven" with sublime views.

This Italian-style temple replica has been threatening to fall off the Irish coast for hundreds of years.

The atmospheric road was never meant to be so creepy.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

A modern English garden of eccentric beasts, follies, and oddities.

This ancient abbey now lies in majestic ruin behind a caravan park.

Displaced highlanders would take shelter from the wet Scottish climate under the large walled bridge at Glasgow Central Station.

France's high-tech, future-themed amusement park.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Giant eggs, walls of bread, and nightmare surreality mark the largest collection of works by Salvador Dalí.

This hidden bridge is where local children leave gifts and messages for the island's fay folk.

This bronze sculpture represents the helpless, hapless, and the damned who have passed through Piccadilly station since it opened in 1842

Once used to protect important Roman trade routes.

New Zealand's oldest prison holds a dark history and the scars of a deadly earthquake.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.