This 6th-century church honors St. Tudno, the patron saint of Llandudno.

A hidden gem in the middle of the city's infamous Jewelry Quarter.

One of the few surviving street funiculars in the world.

Local legends say that fairies used to dance in the moonlight here and invite handsome young men into their grottoes.

In the middle of a barren moorland, the remnants of a lost British Space Age stand like a 20th-century Stonehenge.

The site of the most dived wreck in the UK.

St. Mary's Asylum was isolated and abandoned before being converted into a Bed and Breakfast.

A locomotive that was captured as a prisoner of war is now recognized as a WWII memorial.

Home to the longest wooden escalators in the world.

A working farm turned into a museum dedicated to the world's most unbelievably tiny cars.

This tribute to Sunderland's mining past stands outside the home of its football club.

A series of idealized caves carved to entertain guests.

These Roman ruins in England’s Lake District are 2,000 years old, but look pretty good for their age.

This century-old cinema is complete with musical interludes and boasts a rare projection system.

After years of slow decline, a derelict Gothic castle is now being restored to life.

One of the highest Roman forts in Britain is set amid dramatic scenery on a notoriously difficult road.

This beautiful example of Victorian engineering is the oldest water-balanced funicular anywhere in the world.

The train that took the prime minister on his final journey now rests in a British museum.

This industrial chimney looks rather out of place, isolated in the middle of an attractive woodland.

This Victorian footbridge over the River Tees was originally built to carry water from the high moorland to the industrial towns on the coast.

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

This mysterious underground cave in Shropshire dates back to the 18th or 19th century.

A little-known ruin with a convoluted history and a fascinating latrine drainage system.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.