Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

A marble Lucifer hides behind the pulpit of this Gothic cathedral.

A massive, gleaming sea turtle with a rider atop its shell looks out over the horizon.

The former home of a trailblazing surrealist is still filled with haunting dolls and grim paintings.

The last Oostende trawler to fish off Iceland is now a museum.

A little sculpture with a large wardrobe.

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Climb inside an iron crystal magnified 165 billion times its normal size.

A collection of weird and wonderful art fills a former houseplant nursery.

Somewhere there is a giant who can no longer poop, but now travelers can stay inside his anus.

Rare wooden escalators lead deep down into an otherwise staggeringly monotonous tiled tunnel.

This abandoned Slovenian military barracks has become a punky-political art squat.

This 135-year-old weather station studied the effects of the climate on human health.

Walk through depictions of the torture inflicted on those who go to Buddhist hell.

Meant to be a lavish presidential home, the palace became a symbol of the fall of South Vietnam.

Artifacts and memories from the Vietnam war, located in a place that experienced it first hand.

Have fun at the world's first Buddhist waterslide park.

Vietnam's feral abandoned water park offers access to a post-apocalyptic funscape, now with fewer crocodiles.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This Vietnamese hell cave lets visitors take a walk through a devilish underworld full of demons.

One of Vietnam's most iconic landmarks was built by Japanese traders and is now in danger of sinking.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This massive monument was unveiled the day Kosovo declared independence from Serbia.