Places Kris McCracken Wants to Go

This enormous abstract sculpture is part jungle gym, part elaborate noise-making machine.

Some of the best-preserved specimens of the monumental medieval tombstones found throughout Bosnia and Herzegovina.

The haunting ruins of a military fortress turned astronomical observatory sit on a Sarajevo mountaintop.

This abandoned airplane hanger is said to have once been a top secret launch facility.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Yugoslavia's biggest underground airport lies in ruins.

Humble beginnings for one of the world's most famous scientists.

Large, airy hallways hide within an impenetrable fortress that beckons urban explorers.

This Croatian computer club features such gaming relics as the infamous Virtual Boy and an 8-bit Pacman machine.

Now abandoned, the world's first torpedo factory is crumbling into the sea.

During World War II, this rice mill became a Nazi concentration camp.

According to the local folklore, the myriad colors of this lake are the result of a lovelorn wizard's blunder.

These delicate sand pyramids look like naturally occurring gothic spires.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

A haunting collection of sunken wooden barges litters this Italian river bend.

Superb sweets await at the first Jewish bakery inducted into Berlin’s prestigious baker’s guild.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

As can be expected from a centuries-old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

Watch a magnificent, ever-changing colorscape inside James Turrell's immersive work of art.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This sturdy, circular stronghold served as one of the forts that protected the Venetian Lagoon.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

Venice's "Island of the Mad."