The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Breathtaking and huge 430 year old maps of Italy.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Inside this McDonald's you can dine on your Big Mac and fries next to a 2,500-year-old Roman wall.

This centuries-old mansion was the home of the noted 19th-century diarist Anne Lister (aka “Gentleman Jack”).

This building was once a town hall, a fire station, a prison, a dairy market, and the target for two marksmen.

A perfectly running 230-year-old silver automaton and music box.

This enormous sardine in the Segura River pays tribute to an annual post-Lent tradition.

A dramatic sculpture high up in Yorkshire with vistas on an industrial scale.

This remote Scottish island has the only round church in the nation.

If you can’t dive into a whisky cask, this swimming pool might be the next best thing. 

A shiny sculpture celebrating the mighty mollusk.

There's more to this drinking establishment than meets the eye.

This giant steel bear is a tribute to naturalist John Muir.

A multi-storied painting that depicts the area's rich and diverse maritime history.

This repurposed church offers a more literal way to get closer to the heavens.

Atop this arch, during the 16th-century, a sermon was given to those suffering from plague.

Each section of this public work of art represents one of the city's guilds.

A pair of mosaics marks the spot where the last accused witch of Dundee was put to death.

People leave coins atop an unusual grave marker in one of Scotland's oldest burial grounds.

This monument depicts a harrowing event involving an escaped polar bear.

Marking the ancient boundaries of asylum around Beverley Minster.

This Gothic Revival castle used as a shooting location for "The Secret Garden" and other films.