Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

A sharp sculpture made of thousands of pieces of jagged glass.

The railway carts travelers to central Athens's highest peak, which offers stunning vistas of the city.

This ancient Greek place of assembly and marketplace is being revealed layer by layer below the modern Athens cityscape.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

Sitting atop a rock on Michamvi Pingwe beach, this restaurant becomes its own island at high tide.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A fantastical 13th-century fortification sandwiched by a modern hotel in central Brussels.

Brussels' favorite peeing boy has a sister.

A little sculpture with a large wardrobe.

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

Theme park featuring miniature replicas of European monuments.

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.

One man spent 10 years building a spectacular section of road because no one else would.

Britain's only herd of free-ranging reindeer.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

This dramatic landscape hidden on the Isle of Skye looks as though you've stepped into the magical realm.

These fantastically named natural pools look like something out of a Scottish myth.

World's largest cave was only discovered in 1991, and now offers tours to the public.

Building this tragically pointless stone barrier cost the lives of the prisoners made to build it.