A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

Meet the bronze beloved pet to a family of famous peeing statues.

A little sculpture with a large wardrobe.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

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

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."

A favorite with sightseers, this Norwegian funicular provides easy access to a stunning view of Bergen and its environs.

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

A whimsical bridge adorned with decorative dragons.

This one-time health resort was used by aristocrats around the world.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Once a giant gingerbread factory, this space now hosts exhibits and workshops on the historic treat.

Singapore's landscaping project is home to 18 incredible Supertrees.

It houses the remains of a 17th-century version of the Titanic.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

The site of a concentration camp where inmates were made to take part in one of the largest counterfeiting operations in history is now hauntingly empty.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.

The "Prussian Versailles" that is as glorious today as when it was built.

The prototype for all Nazi concentration camps.

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

This community on a small Venetian island has taken to painting their houses in bright neon hues.