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

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

The heads of two giant mythological water horses honor Scotland's horselord past.

The decaying ruins of Wales' first asylum for the mentally ill.

London's old-school healing garden.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.

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

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

A modern English garden of eccentric beasts, follies, and oddities.

Spend the night in this formerly abandoned traditional Scottish village.

A unique waterfall that some believe attracts the fairfolk.

The fountain marks the area where hundreds of accused witches were burned at the stake.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

This series of Scottish caves has no clear purpose other than baffling historians.

This tangled English forest looks like something right out of a fairytale.

A island reachable by a causeway at low tide is possibly one of the earliest Western European locations to be identified in text.

One of the oldest scientific gardens in Britain, containing more than 13,302 plant species in its core collection.

This castle was established by the 4th Duke of Montrose and is connected to the Buchanan Clan.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

One part local history, 99 parts gruesome haunted house.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.