Fabulous formations, weird and wonderful wildlife.

Ancient mysterious ruts carved in the bedrock.

This unique building in the main square stands out among the city's typically Baroque architecture.

Stone Age solar temple is aligned with the sun on each equinox and solstice.

Monasteries on rock pillars, once accessible only by frayed ropes.

The hallucinogenic center of the ancient world.

A hugely vast Irish landscape of barren rock that stretches for miles.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

The 5,000-year-old megalith is believed to be Scotland's tallest standing stone.

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

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A red-brick beacon stands against the tempestuous Atlantic, on the windiest site in the United Kingdom.

The world's shortest street was created by an awkwardly placed hotel.

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

This beach runway is off limits during high tide.

This small museum in a 17th-century building honors three iconic Scottish writers.

A six-ton wedding present for the King of the Scots.

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

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

A whale's jawbone and a malfunctioning harpoon welcome you to the village of Bragar and its lore.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.