A showcase of canine neckwear spanning five centuries of doggie fashion and function.

Beneath an ancient wishing tree lies an underground chapel with 12th-century frescoes and catacombs dedicated to a lady saint.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

A burial vault located under Tiber Island in the middle of the Italian capital.

These formal gardens were designed to be admired from the vantage point of the castle.

The main residence of the Erskine family and the hereditary keeper of the nearby royal Stirling Castle.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

Tucked away in this local museum is a piece of sporting equipment that dates to the 16th-century.

This pyramid is dedicated to all those who suffered martyrdom for civil and religious liberty in Scotland.

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

A collection of art from Bulgaria's time as a communist state.

A novel collection of medical curiosities housed in an 18th-century surgeon training academy.

Climb to the top of its spiral spire for spectacular views of Copenhagen.

Danish tourist destination well known for open stalls where vendors sell marijuana on the street.

Hans Christian Andersen for the postmodern world.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Copenhagen's celebrated theme park and gardens.

A quiet, semi-secret square with statues of Mahatma Gandhi, Virginia Woolf, and a conscientious objectors stone.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

Obelisks and stone pineapples in the Irish countryside.

A corkscrew-shaped barn in Ireland.

“It has nae lugs!”

On this stunning Scottish island, you can walk in the footsteps of dinosaurs.