One of the best-preserved medieval streets in Europe.

This stone tower was built to protect Crete from incoming pirates.

A museum pays tribute to the glass-making industry of Sunderland.

An iconic waterwheel in the Pennine Hills marks the location of one of Britain’s most profitable lead mines.

These remarkable cascades are the jewels of Upper Tees.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

A monument with a strange legend involving a horse's tongue.

A rather grand, but tiny, folly on the banks of the River Wear associated with a Polish count.

Follow the original medieval paths that wind through this intriguing section of the city.

A sweet symbol marks the place where torturous executions were once carried out.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

Giant, friendly pelicans in Central London, the most unlikely of places.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.

A collection of comics, graphic novels, animation and caricatures devoted to exploring this often overlooked art form.

Eighty million natural history specimens call this gargantuan museum home.

A book bound in the skin of an infamous criminal, along with countless other specimens.

The nearly 200-year-old folly has a secret spiral staircase hidden in one of its pillars.

Journey through this open museum where even employees remain true to period.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

A Norwegian-born sculptor created these soaring guardian angels at the entrance to Hoover Dam.

In an area where the remnants of WWI are discovered on a regular basis this preserved frontline trench may be the most amazing.

A moving memorial to the fallen and missing from WWI trenches.