The highest bridge in America was built for an almost unnervingly small amount of money.

The superstar of Cold War nuclear bunkers has been featured in countless films but is now barely operational.

This spectacular track has run continuously since 1882.

Ruined castle with subterranean vaulted Goblin Ha' or "Goblin Hall."

A 200-year-old collection of oddities and medical paraphernalia.

Sprawled across the Great Hall ceiling are various constellations and images relating to the zodiac.

This 16th-century house tells the city's history through old artifacts and quirky tales.

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

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

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Come for the oysters, stay for the priceless art honoring inventors across history and Scotland's favorite outdoor sports.

A beautiful Greco-Roman structure houses a well once believed to have healing powers.

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

This allegedly haunted 16th-century tower house-turned-museum exhibits thousands of spectacular objects.

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

The one-time stronghold of the noble Douglas family, now home to ghost sightings and nesting birds.

Climb this overlooked gem's spiral staircase and you'll be rewarded with spectacular views of Glasgow.

A church that bred legends, and served as an inspiration for the Da Vinci Code.

At high tide this strange footbridge appears to have no purpose whatsoever.

Monty Python fans will recognize this abandoned mine as the Cave of the Killer Rabbit of Caerbannog.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.

There are plenty of wonderful panoramic vistas in Edinburgh, but not many are hidden smack in the middle of the Old Town.

A book bound in the skin of an infamous criminal, along with countless other specimens.