It's always game time at Stockholm's only museum devoted solely to video games.

The library's graceful rotunda is like a bibliophile's temple.

A collection of anatomical samples from one of the first anthropologists to suggest that humans reached North America by crossing the Bering Strait.

A national collection of Communist-era musical posters.

Crosses of all shapes, sizes and colors litter the mountain, the site of a huge yearly Orthodox pilgrimage.

An abandoned Jewish sanatorium is tucked within the woods of Poland.

A hidden art gallery in an abandoned Warsaw fort.

The remains of Alfred Nobel's first nitroglycerine factory can still be found on the shores of a Swedish bay.

One man's fascination with Turkey led to this backyard mini-city.

Bring your hiking shoes, wool socks, and thermal underwear for a stay in these cozy forest huts.

This luxury hotel suite is located deep in the bowels of an old mine.

The official meeting point for the oddly named governing assembly of ancient Sweden.

Home to 200 plaster casts of Scandinavian proboscises.

Rocks carved with biblical passages in the 1800s.

This Danish rock field is actually a sprawling ancient cemetery holding the bodies of 700 Vikings.

From Coke II to Google Glass, this exhibit features some of the most spectacular commercial flops.

An artist's mausoleum with a haunting echo.

A small collection of magic tricks and memorabilia is now an apartment-sized museum.

This floating sculpture of ice is a poignant reminder of nature's power.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

Accessible only at low tide, the deserted island is dotted with World War II ruins.

This series of Scottish caves has no clear purpose other than baffling historians.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.