One of the best beaches in the entire world.

An opal mining town in the middle of Australia where people live, worship, and shop underground.

The only pollutant in the clear blue water is sunscreen.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

Once the path of a railway tunnel, now home to thousands of glowing insects.

A small, but award-winning beach known for its literally spotless reputation.

Stay in the one time home to one of Scotland's most notorious gentleman's sex clubs.

FIFA deemed this isolated field one of the most remarkable places to play the sport.

A bronze tribute to the wildly popular video game from the '90s.

Fifty years of contamination in Scotland's waters.

Every St. Andrews student knows to avoid this inscription for fear of a martyr's curse.

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

Bronze plates placed around this Scottish fishing village form a true-scale model of the solar system.

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

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

This beach runway is off limits during high tide.

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

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

Where the sleeping monsters of Scotland's oil industry are left to rust.

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

A nuclear bunker built to shelter the politicians and important people of Scotland in case of nuclear attack.

A red sandstone freestanding monolith rises out of the sea in northern Scotland.

This tiny island featuring 9th-century Viking ruins is only accessible at low tide.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."