A plaque marking the famous abolitionist's birthplace often overlooked by visitors to the nearby Charles Sumner House.

This bridge was the birthplace of a unit of measurement based on a fraternity joke.

This supermarket is suspended 25 feet above an interstate highway.

One of the last remaining movie theatres in the country that features a rear-projection system.

Sacks of potatoes, made of cast stone, mark where the iconic potato sheds once stood along the river.

Statue in Salem of the woman who starred as the witch Samantha in the sitcom "Bewitched."

"the sweltering inhabitants of Charleston and New Orleans, of Madras and Bombay and Calcutta, drink at my well . . . The pure Walden water is mingled with the sacred water of the Ganges."

The tomb of one of Scotland's bloody historic villains is a magnet for bumbling desecrators.

The longest staircase lock in Britain.

It's said this was once the home of King James V's pet lion.

This museum offers a glimpse into early 20th-century Glasgow life.

This painting of a beloved dog will be on display at the Scottish National Gallery at long as the museum exists.

Inside this art museum resides one of Glasgow's most famous musical instruments.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

The location of this historic castle was inspired by a donkey.

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

A close look reveals that the Scottish monument is just slightly off-kilter.

This site contains overlapping ancient graveyards that existed about 1,000 years apart.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

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

The world’s first museum dedicated to the history of childhood opened in Edinburgh in 1955.

The most loyal of little dogs, or a Victorian era publicity stunt?

Protecting the dead from opportunistic body snatchers.

The final resting place of soldiers' loyal canine companions.