The castle still holds traces of the abandoned Roman fort it was built atop.

This religious museum resides in a church crypt next to the founder's house.

An impromptu shrine appeared shortly after beloved "Torchwood" character Ianto Jones was killed off the show.

A preserved 18th century steel factory.

This British museum hopes to take the taboo out of poo.

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

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

Competitors race wooden replicas of pungent blue cheese.

A small village in two different countries.

The oldest of the three remaining bridges in England with buildings on top of them.

At this snack-shack in the bucolic British countryside, you can still get a slice of socialism with your spot of tea.

The spot where three Protestant clergymen were burned at the stake during the reign of "Bloody Mary."

Some wattle-and-daub, a Moorish mural, a glacial erratic, and a Giant named Gilbert.

A Neolithic tomb hidden among a spectacular boulder-strewn stretch of coast.

The sanctuary seems to either float atop the water or sink into the dirt, depending on the water level.

This 500-year-old Tudor home is a treasure trove of history and mystery.

A historic holy well hidden near a charming English park.

Scotland's first free lending library, which protects literacy through inheritance.

For decades, a bottle factory dumped their waste into these waters—now it's considered the best sea glass beach in England.

This abandoned hospital village was once viewed as an innovative way to deal with mental illness.

A winding cave grotto walkway built to provide employment for veterans after World War I.

These sculptures of various animals adorn the building that houses one of the capital's least known museums.

The sign announces the Scottish village's cosmic connections, as it's twinned with Glenelg, Mars.

This battery powered bell has been ringing since 1840 and is one of the worlds longest running science experiments.