A 1,215-foot tunnel transports pedestrians beneath the River Thames.

One part local history, 99 parts gruesome haunted house.

Eighty million natural history specimens call this gargantuan museum home.

The only university zoological museum in London houses extinct animals, bizarre natural history specimens, and a Micrarium of microscopic creatures.

The sign at the garden gate reads: "These Plants Can Kill."

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

Long before wi-fi, this public seat provided the wonder of being online while outdoors.

This melancholy headstone is the only remaining evidence of a medieval church lost to the sea.

A village on the east coast of England that has almost completely eroded into the North Sea.

A legendary ghostly hound supposedly left dark marks on a place of worship.

A large collection of steam engines, organs, and fairground attractions.

A 16th-century footpath said to be haunted by a young girl that died trapped within its misshapen old house.

A magnificent Victorian garden that brings the charm and style of old-time aristocracy to the 21st century public.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

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