The highest peak in Wales is said to be the final resting place of a giant killed by King Arthur.

The stately remains of Llywelyn the Great's mighty fortress.

A hermit's tiny cell built into the cliffside that saved him in South Pembrokeshire.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

A miniature Italianate fantasy village on the coast of Wales and the set of ITC classic "The Prisoner."

This abandoned asylum in Wales might look haunted, but it's still beautiful.

Edinburgh’s version of the Sistine Chapel is this former church, with an interior covered in paintings done by one woman over the course of nearly a decade.

More than a century old, this cast iron bridge on the Balmoral Estate leads to nowhere.

An 18th-century lighthouse built on a 16th-century castle is now a monument to the maritime beacons of Scotland.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

This charming old building's loose connection with the Scottish Reformer is what saved it from demolition after it split apart.

Nestled among the living residents is the final resting place of an apothecary plague victim.

This eclectic sanctuary is a hodgepodge of various architectural styles, all crammed into one building.

A once extravagant mansion, now reduced to ruin.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

This stately bank building hides a spectacular star-studded ceiling.

This volcanic plug boasts the longest recorded history of any Scottish stronghold.

This Scottish manor house is a lush relic from the life of a literary great.

This macabre monument atop an ancient well gives a nod to a brutal episode in Scottish clan history.

A castle in the Scottish Highlands has been continuously inhabited since the 1300s.

A curious collection of mechanical moving figures.

A glacial pothole was once a hideout for a notorious Scottish outlaw.

This modern labyrinth lies in the shadow of a ruined medieval castle.

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