This beautiful 14th-century castle perched on a promontory overlooks the Bay of Trieste.

The home of a neoclassical master is now a shrine to his chosen art style.

This war memorial holds the remains of around 20,000 World War I soldiers from both sides of the conflict.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

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

An abandoned piece of phallic art repurposed by locals into a makeshift fertility shrine.

Crumbling ruins of the thermal baths that once attracted royals and aristocrats from throughout Europe.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

A collection of 4,000 thimbles that's more versatile than one might imagine.

A staggering collection of satellite models and actual flight parts.

A monument to the center of the North American continent may be off by a few miles.

This small condiment museum makes all manner of mustards with a 200-year-old mill.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.

If the tunes of antique organs and musical marionettes don't intoxicate you, the draft beer certainly will.

This mine is home to the largest man-made hole in Europe.

A replica of a 17th-century map of the stars stands in the courtyard of a Belgian university.

Though they might seem like arbitrary scratches in the wall, these were once official measures of length.

Above the door of a house, a plaque claims to commemorate the future living place of the inventor of time travel.

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

A shining memorial to a Belgian hero is said to bring luck to anyone who touches it.

Head underground and take a tour of the city's working sewer system, and see the underground river Senne, which defined Brussels for centuries before being covered in the 19th century.

Medical history with an amazing, if frighting, collection of wax diseases on display.

This peaceful oasis appears dreamy, but it's also the site of a nightmarish legend.

This Edwardian workhouse tells a harrowing story of those who were forced to trade hard labor for lodging.