The 1936 Summer Olympics site is a crumbling remnant of sportsmanship and a history its host country would like to forget.

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

A whimsical and twisted animatronic monster tour beneath the streets of Berlin.

The attic of a four-century-old canal house hides a clandestine church.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

Museum preserving torture methods from the past.

A curious collection dedicated to human and animal anatomy and pathology.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

The small bright red pillar survived the 1996 Manchester bombing virtually unscathed.

Be on the lookout for the symbolic insect all over the city.

The remnants of a depressing public toilet are now a hub of ever evolving street art.

Manchester's abandoned train depot lingers in a post-industrial purgatory.

A giant wooden soda bottle pays homage to a distinctly British drink on the very spot where it was invented.

Have a seat with the father of modern computing at this Manchester monument.

19th century museum with an eclectic mix of curiosities, from Egyptian artifacts to items on archery history to the skull of the world's oldest horse.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.

Dating back almost 400 years, the oldest public collection library in the United Kingdom was once the study hall of Karl Marx.

A Victorian Gothic masterpiece housing a world-class collection of rare books and manuscripts.

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

An encyclopedic collection of mammal penises.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

The design of this beautifully crafted building was inspired by Norwegian glaciers.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

Now harmless, this looming post struck fear into the heart of medieval troublemakers.