The highest peak in Northern Ireland is topped with a stone tower and haunting burial mounds.

Once considered one of the country's finest motte and bailey castles.

This stone was once used by druids to determine a person's innocence or guilt.

As part of an 800-year-old tradition, a man parades through town covered in a suit made out of spiky burrs.

Every New Year's Day, locals don gaudy costumes and dive into the frigid Firth of Forth.

On a corner of the Ardmeanach peninsula on the Isle of Mull, a 50 million-year-old fossil tree hides in the coastal cliffs.

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

In 1396, two Scottish clans that had been violently feuding for centuries finally faced off in a bloody battle in this park.

Several bricks indicate the various flood levels this crossing has survived over the centuries.

Colorful and chaotic stacked hotel in North Holland.

Stay overnight in the world's most sleekly designed rabbit hole, free of charge.

This foolish Victorian sea fort was converted to a deluxe hotel.

The world's smallest movie theater runs on solar power—an attraction in itself.

At the United Kingdom's only residential library you can sleep among the books.

Spend the night in this formerly abandoned traditional Scottish village.

The English bed-and-breakfast believed to have inspired Emily Brontë's novel "Wuthering Heights."

A former coastal watch post has been turned into a bothy with unrivaled views of the sea and its inhabitants.

This seaside Scottish holiday rental lets you live out your bookselling dreams.

This tiny getaway tucked away in an uninhabited Scottish valley isn't your ordinary teahouse.

A well-traveled statuette of a much-beloved village icon.

A stone memorial marking the location where Scotland's first aeronautical flight landed.

The burial site of a murdered bishop and his alleged killers.

The only pub in the world surrounded by an ancient stone circle.

The smallest pub in Britain was once a cabinet of curiosities and it still has the dead cat to prove it.