A New York–based physician returned home to Spain to build his own elaborate monument to Christopher Columbus.

Conifers from the Jurassic Period transformed into stone in Patagonia.

An ancient forest of the Paleocene Age turned to stone.

This giant wooden treehouse within a sprawling garden has its own eatery.

The sign at the garden gate reads: "These Plants Can Kill."

Venice's "Island of the Mad."

A sculpture of a partly-buried Roman helmet commemorates a North Wales town’s connection with its Roman past.

A breathtaking flower tunnel bursts with beautiful golden blossoms.

Denmark’s oldest bakery is home to the 'Wednesday Snail,' one of the best cinnamon rolls on the planet.

Copenhagen's celebrated theme park and gardens.

Visiting this café is like visiting the Austrian grandma you wish you had.

Students can borrow artwork from this gallery to display in their own residences.

With lush plants and flowers, huge trees, ponds, and hidden monuments, this place feels a bit like discovering Narnia.

The Bristol Camera Obscura housed in an ancient windmill.

Cathedral-like Victorian vaults are hidden within this iconic bridge.

Every year locals tumble 650 feet down to the bottom of the hill chasing a Double Gloucester cheese.

The highest peak in all of England is plagued by dangerously fickle climate shifts.

A pagan tradition of draping trees with rags eerily lives on.

A moody and picturesque riverside ruin overgrown with vegetation.

The longest and steepest staircase locks in the United Kingdom.

Left by the Devil, an ancient quarry or just plain old erosion, this enigmatic rock pillar rises 28 feet from the hillside.

A public art project to commemorate a tumultuous period in Derby's history.

This tower was constructed to commemorate the man who helped bring true democracy to the United Kingdom.

Legend says this little-known stone circle is formed from people petrified as punishment for dancing on the Sabbath.