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

A holy well supposedly infused with a saint's spirit flows within this quaint chapel.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

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

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

Its collection includes a broad array of social, geographic, graphic design, and political history.

You can crawl inside this atmospheric 5,000-year-old tomb.

The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

A mysterious ruin shrouded in more folklore than fact.

To literally keep their waste out of their own backyards, the citizens of this English city built an impressive sewer system that is still in use today.

Where Agatha Christie mysteriously disappeared in 1926.

This mysterious hilltop collection of Druid carvings isn't quite what it seems.

These semi-natural waterfalls hint at the park's Victorian-era industrial past.

The British monarchy's stamp collection is one of the most impressive in all of Europe revealing generations of royal nerdery.

The U.K.'s first underground railway line is now a lively thoroughfare for runners and cyclists.

Residential building on the Regents Canal is a breeding ground for creativity and innovation.

One of the greatest movie directors of all time lived and worked in this London flat from 1926 to 1939.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

This remote Scottish isle is only inhabited by seals, birds, and the memory of a tragic settlement.

This king penguin is a knighted brigadier of the Norwegian Army.

This bronze statue was erected to honor a small Scottish town's beloved stray cat.

This single-track road rewards brave drivers with stunning Scottish scenery.

Museum dedicated to the UK's first charity for abandoned children, with keepsakes of the mothers who left them behind.