This colossal war machine is now a living museum dedicated to underwater warfare.

The intended purpose of this unfinished Elizabethan building remains a mystery.

These picturesque ruins crumble beautifully into the ocean.

Black cat statues guard this temple-like Egyptian revival factory.

Huge winged monument in the United Kingdom.

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

The taxidermied remains of a once-great parrot.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

The majority of the museum's large collection is held in a storage space open to the public a few times a year.

Regency-era excess on the English Coast.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

The broken skateboards that became a poignant memorial to a murdered skater.

Europe's largest prehistoric mound – burial site of a legendary king?

It is said the legendary wizard once lived in this sea cave beneath Tintagel Castle.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Sometimes an island, sometimes a rocky outcropping connected to the world by a tiny suspension bridge.

Protecting the dead from opportunistic body snatchers.

High Victorian fantasy created a fairytale castle out of a ruined fortress in Wales.

The Columbia Road Flower Market is now open every Sunday, rain or shine.

The Metropolitan Police refurbished the blue box (perhaps not coincidentally) the same year "Doctor Who" returned to TV screens.

Fascinating town where normal life interfaces with the occult.

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

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

The world's largest collection of witchcraft regalia.