Though it looks like a golf ball teed up for a hit, this hilltop station is actually used to monitor air traffic.

This unassuming stone is possibly the oldest Scottish memorial to the 13th-century knight.

A recreation of pop art pioneer Eduardo Luigi Paolozzi's London studio.

Believed to be the birthplace of John Balliol.

A long-abandoned relic of World War II.

This ancient holy well is older than much of the city that surrounds it.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

This monument dedicated to the legendary American showman can be found in Scotland's largest city.

The final resting place of a poisoned lover whose death was at the center of one of Glasgow's most sensational murder trials.

Small museum dedicated to the founder of electromagnetic theory.

This Scottish castle has witnessed clan rivalries, Jacobite uprisings, whisky smuggling, and more.

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

The farthest northwesterly point of the British mainland is one of the most remote places in the Scottish Highlands.

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

Legend says this rock was once a chopping block for public executions.

A curious collection of mechanical moving figures.

One of Scotland's most important modern structures, it just made the '100 Most Endangered Sites' list.

Nestled amid the peaks and lochs of the Scottish Highlands, this inn and pub has played host to outlaws and ghosts.

The last inhabitants of one of the U.K.'s most remote islands were evacuated in 1930.

A tongue-in-cheek arcade where the games are based on everyday life.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

A spherical "micro-nation" in the heart of Vienna.

This meticulously extracted nervous system allegedly came from a 19th-century custodian who donated her body to science.

The origin of this mechanical boy was a mystery until he revealed his maker by writing it in perfect cursive.