This Belgian theme park began as a refuge for bored church children and was closed down when a boy lost an arm.

The private train station King Leopold II built for the Belgian royal family now lies abandoned.

A pilgrimage site where people ask Saint Dymphna to watch over those who are not of sound mind.

Theme park featuring miniature replicas of European monuments.

An ethereal glowing blue ocean cave in Croatia.

The sanctuary holds what was once believed to be the saint's incorruptible tongue.

Of all the houses that grace this neighborhood, only one is a testament to surreal architecture.

Tall columns of volcanic basalt make up this improbable-seeming rock formation.

A massive 1830s industrial site once known as Czechia's "Iron Heart" has been transformed into a playground of science, technology, and art.

The rusted creatures wait to be discovered in Prague's botanical garden.

Bohemian paradise covered in majestic forests.

This former quarry is now a picturesque gorge that hides a sunken lake.

A spiral staircase twists to the top of this unusual Czech lookout tower.

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Europe's second largest ossuary wasn't discovered until 2001.

Enormous sandstone towers loom within a Czech forest.

The deepest sinkhole in Central Europe comes with a grisly tale and an unusual nickname: “The Stepmother Abyss.”

Next to the well-known retaining weir "Hochablass" is the former raft port for the city of Augsburg.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

The tragic heiress Barbara Woolworth Hutton built her seventh husband this Japanese-inspired palace in Mexico.

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

Journey through a mesmerizing array of board games inside this museum.

Charles Babbage's proto-computer, painstakingly brought to life.

A museum-like shop that has been producing clogs, brushes, and ropes for nearly 200 years.