The largest stone circle in the world has ended up bringing up more questions than it has answered.

These morbid carvings remind churchgoers of the inevitability of death.

This Scottish bridge seems to compel dogs to leap to their death.

Museum about life, death, and cannibalism in the Stone Age.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.

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

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

Famously misunderstood wonder of the ancient world

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

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

The mysterious, fantastical woodland inspiration for "The Lord of the Rings."

The painter of "The Scream" is laid to rest under a stoic bust of himself in the humble corner of an Oslo cemetery.

Cold storage for agricultural biodiversity.

A rare tour of an aristocrat's private home reveals valuable 17th-century paintings from artists like Rembrandt.

In the best of all possible worlds, everyone will get a chance to see this statue in which Voltaire's heart is interred.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

The final resting place for the remains of 143 Habsburg royalty.

The true meaning behind this sculpture remains unknown.

Only a fragment of this 15th-century Dance of Death survives today.

The sumptuous ceiling was one of the last things Charles I saw before his execution.