This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

The pile of books behind the dignified writer gave the statue a most undignified nickname.

Those who own or stay at this 500-year-old, allegedly cursed house often meet terrible fates.

Where Venice's gondolas go for a tune-up.

100 year tradition of fist fights, marked by marble footsteps.

This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

A cone-shaped top and cylindrical body set this 900-year-old structure apart from other Italian bell towers.

With its mine closed, this old village is starting to resemble a ghost town.

This "mathematical tower" was an observatory, early skyscraper, and place to reflect on all of nature and the cosmos.

Heralded as one of the prettiest castles in all of Czechia.

Czech architects borrow from the nest design of the stork to revitalize a farmstead, hoping to inspire the same loyalty the birds had shown.

An Orwellian sculpture with eyeball cameras watches passersby.

This disappearing geyser has been attributed to witchcraft, but really it's all about rainfall.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

The first designer power line in Estonia.

Inside this medieval church resides a unique set of murals.

Two old windmills got a new life as oversized sculptures of a man and a woman.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

A clerical error gave rise to this imaginary micronation in the southwestern corner of Estonia.

Mysterious craters may have been home to an ancient cult.

Legend has it that not even Stalin could pull down the 2015 European Tree of the Year.

Man-made mineral caves house massive bat colony.

The widest natural waterfall in Estonia is a sight to see in all seasons.

This free museum is building a collection of books that are banned, censored or burnt around the world.