Nestled in the heart of Milan is a real wunderkammer of morbid curiosities.

Artistic tombs, monuments, and a beautiful "Hall of Fame" lurk inside this cemetery.

An exclusive waiting room built for the royal family in the 1920s is hidden in Milan’s central station.

This hidden green space is the city's second largest conservatory.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A mysterious demonic figure peers down from its perch within the gorgeous Chester Cathedral.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."

A Jenga-style cylindrical tower of books that appears to go on forever.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

A temple to modernity, tucked away amid Barcelona's more well known museums.

This cemetery features modernist statues as strange as its name.

Home to the most complete dodo remains known - one head, and one foot.

The luxurious English estate houses the world’s largest private collection of French Rothschild wines.

The longest and steepest staircase locks in the United Kingdom.

The first peace pagoda to be constructed in the Western world sits next to a small English lake.

In the 1930s, a mysterious murder shook this Northamptonshire village–the identity of the victim remains a mystery to this day.

This medieval sanctuary's tree-framed door looks like a portal to a mythical realm.

England's foremost purveyor of funeral furniture hasn't changed a bit since the 1960s.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This South London cemetery holds the remains of more than 15,000 people.

These medieval carvings bear scars left by Parliamentarian troops during the English Civil War.

Follow the original medieval paths that wind through this intriguing section of the city.