Across the Pacific in a raft, a museum dedicated to Thor Heyerdahl's now legendary expedition.

Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

The single richest source of elemental discoveries in the world.

The world's largest model of our planetary system.

The library's graceful rotunda is like a bibliophile's temple.

Housing a morgue, rare and confiscated weapons, and autopsy remains, the Vancouver police museum displays the dark side of Canada.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

Latvia's symbolic mountain-shaped national library is home to millions of cultural tomes.

Geodesic dome luxury retreat in the Scottish Highlands.

"Purveyors of traditional sweets and vintage treats."

Three stone bridges straddling the River Gowy form part of the medieval road from London to Holyhead—despite a common nickname, they're not Roman.

A small, former industrial site overlooking Loch Kinardochy.

A much-loved local landmark pays tribute to the shipbuilding past of this area.

An impressive Neolithic henge with banks nearly 10 feet high.

Inspired by the colossal pyramids at Giza, this 15-foot structure is believed to be the first funerary pyramid in Great Britain.

This imaginative sculpture is a memorial to this town's former mining industry.

Dedicated to the legendary comedian Eric Morecambe depicting his iconic "Bring Me Sunshine" stance.

A 16th-century artillery fort built to protect England against European invasion.

A tribute to an explorer and naturalist often overlooked by history.

This early 19th-century blast furnace only survived because it was a financial and technical failure.

These carved, weathered stones once gave mail carriers and pub goers a leg up.

A long-overdue monument to the forgotten British men drafted into the coal mines during World War II.

Artifacts and exhibits tell the story of a small town that has punched above its weight and influenced history.

This grand Georgian manor house was converted to serve as an isolation hospital before it was abandoned and destroyed.