A remarkable feat of Victorian engineering across the Firth of Forth.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

These ancient sea caves hold Britain's highest concentration of Pictish rock carvings.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

A giant donut stands as a popular symbol of Los Angeles iconography.

This bar named after the world's first mixed cocktail was home to one of New Orleans' most notorious politicians.

Hidden inside this Arizona fast food franchise is an in-depth exhibit on the famed WWII counterintelligence program.

Bootleggers ran booze beneath this building before (and after) Route 66 appeared beside it.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

Come for the pizza, stay for a performance on the world's largest theater pipe organ.

Founded by members of the Tohono O’odham Nation, this one-room joint's James Beard–winning fry bread is light as a cloud.

Now home to a drinking establishment, this building has a macabre history.

The world's only teal arches exist in a city that cares more about its aesthetic than an Instagram influencer.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

A plaque hangs near the execution place of the Scottish Independence leader famously depicted in "Braveheart."

Scattered throughout London are ancient remnants of the city's former bounding wall.

One of the oldest amusement rides in existence was a huge disappointment to its creator.

The National Railway Museum in York is the largest railway museum in the world, attracting almost 1 million visitors per year.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

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

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

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

A sweet symbol marks the place where torturous executions were once carried out.

The final resting place of soldiers' loyal canine companions.