Erotic art covers the walls of the largest ancient pleasure palace.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

If you visit Santa's village, you can get your passport stamped to show you crossed into the Arctic Circle.

The costumes depict the Kurent, the star character of the annual Kurentovanje festival.

Communism's topsy-turvy effect on Poland has been brought to life in this wacky tourist trap.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

The walls and ceiling of this Polish church are decorated with thousands of skulls, with another 21,000 skeletons just below.

An otherworldly alpine pasture with its own unique microculture that recalls Middle Earth.

Dubbed "Wistom" by locals, this abandoned factory is an urban explorer's dream.

Memorial to the lost dead of Gdansk, whose resting places were destroyed during World War II.

These rare statues are one of the few remaining material witnesses to Old Prussian culture.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

One woman’s obsession gave birth to this lovely oddity at the Boston Public Library.

This former prison now houses a lovely library devoted to Quebec's oft-maligned English-speaking history.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

A college in rural Kansas founded to prepare the country for an impending World War III.

Songwriter Leon Russell transformed this church into a recording studio used by many legendary musicians.

Nature's biggest mammal swims in landlocked Oklahoma.

A New England curiosity cabinet, one hundred years on.

A mysterious artist-run cabinet of curiosities and library.

An oil baron's wild paradise and the winner of an ill-fated air race.

A wondrous old library overlooking the nation's capital.