Inside this former medieval prison is a collection of objects designed to inflict unbelievable pain and suffering on the human body and mind.

An enormous and lavish Gothic church in Czechia.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

This handsomely carved wooden church is more than 800 years old.

A brutalist gem towering over the heart of Milan.

One of the oldest family businesses in Reykjavík serves lamb-based hot dogs.

Three columns of volcanic rock shoot out of the ocean.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

Iceland's first pagan temple in 1,000 years is underway in Reykjavík.

This stunning concert hall has become a symbol of Iceland's national recovery.

An encyclopedic collection of mammal penises.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

Along this wire fence, travelers have been leaving a particular memento since 2012.

An unusual stone chair can be found on the banks of the River Wear, not far from Durham Cathedral.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

Poetic, metallic giraffes adorn a square off an Edinburgh thoroughfare.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

Touching this 18th-century Scottish philosopher’s toe allegedly conjures good fortune.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

A peculiar clock commemorates a historic victory won by ringing the noonday bell an hour early.

A cheeky architectural easter egg.

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

A treasure trove of Renaissance-era funerary art in a Roman church built on top of Nero's grave.

A Viking-style brewpub named for a Norse sea giant, in the heart of fjord country.