Inside this Krakow church, an explosion of psychedelic color.

After the comedian dissed a Connecticut town on his show, they named a sewage treatment plant after him.

A field filled with carved medieval tombstones called stećak.

The place where World War I began.

Eat the ultimate iteration of Portugal's most beloved pastry.

An abandoned tuberculosis hospital said to be haunted by the patients who died within its walls.

Plot your trip through the city on the sidewalk.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

Every year, the colorful murals of Montreal get a complete makeover.

A 132-year-old telescope continues to keep watch over the night skies above Providence.

Rhode Island's tallest building bears a resemblance to the "Daily Planet" building and has been empty for more than five years.

A simple Colonial home with a past haunted by death and madness.

A contemporary fresco movement illustrates the region's rich history.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

A seven-story wooden coal tipple stands this former mine, the last of many that once covered this area.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

A celebration of one of the West End’s most recognizable figures, who made helping others his life's work.

This ordinary-looking mailbox has a rather explosive history.

A baffling beast so absurd a town councilman called it "intellectual vomit in technicolor."

These steps offer a breathtaking view of one of Europe's most besieged fortresses.

Legend says this rock was once a chopping block for public executions.

This obscure walkway links Edinburgh’s Old Town with one of the city's prime vantage points.

Largest lake in Great Britain measured by surface area.

The highest peak in the United Kingdom has a history of physics, specters, and a pilgrimage of strange objects.