The ruins of a medieval monastery named after a type of tree.

Send a postcard while vacationing with Satan.

A moody and picturesque riverside ruin overgrown with vegetation.

Quirky water tower advertises the long-gone Brooks Tomato Products Co.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

Legend says a witch conjured the world's third largest whirlpool to protect Scotland from a nasty pirate.

A familiar otherworldly creature guards this 12th-century Scottish abbey.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

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.

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

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

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.

A musical instrument played by the sea.

Yugoslavia's biggest underground airport lies in ruins.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

Statues portraying anatomical deformities were placed in this garden to foster ethical behavior.

What better way to honor a pioneering anatomist than by preserving his severed head like a specimen?

Just across from the "Last Supper" painting is the famous painter's vineyard, a gift received for creating the masterpiece.

This giant middle finger statue sends an unambiguous message to Italy's bankers.