A whimsical garden of outsider art in the Spanish countryside.

In northeastern Poland, the ruins of a massive granary overlook the Narew River.

The ruins of this medieval castle on a foggy hill tell the story of a once-mighty empire.

Made of 41,900 pieces of mosaic, it took two years to piece together this giant egg.

The world's longest wildlife overpass provides Hilversum's critters with a safe alternative to trying their luck on the roadway.

Oldest Museum of the Netherlands is a true cabinet of curiosities.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

A journey through 430 years of bulbiculture in the Netherlands.

The largest flower auction house in the world.

Local lore says two enemy dragons live within these breathtaking mountain lakes.

This quaint Hungarian railway system is operated exclusively by children between the ages of 10 and 14.

The abandoned military base looks like a post-apocalyptic wasteland.

A beautiful display of nearly 50 bells crafted with a unique design and distinct sound.

Festival of Perpetual Life and Rebirth.

Artist Diego Morlin's war between the natural and human worlds is a wanderer's delight.

The Swiss artist's bulbous and overgrown shape-shifting sculpture controversially graces the center of Bern.

Hundreds of dwarf beeches create an unusual, haunting forest in the north of France.

A colossal sculptural lion built by the same man who designed the Statue of Liberty.

This collection of French root art looks like an indoor fairy wonderland.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

Wander among free-roaming storks at the sanctuary that helped save them from local extinction.