Macabre astrological automaton clock dating to the late 1400s.

A saintly relic hidden in a Prague church basement.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

A turn of the century building boasting some of the most beautiful art nouveau architecture in Prague.

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

An underground city of salt.

This sprawling concrete suburb of Kraków was designed by the Soviet Union as the model proletarian city.

This man-made mound monument was built out of soil from all across the Polish empire.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Real bones which are said to have belonged to a Polish dragon.

A former suicide bridge is now accumulating symbols of love instead of a body count.

It houses the remains of a 17th-century version of the Titanic.

This former tuberculosis research hospital endeavored to cure the dreaded disease with fresh air and positive attitudes.

The only building in Louisville (hopefully) that contains two ancient holy skeletons.

This abandoned cemetery has a dark past of bodies buried over bodies.

The grave of the iconic Kentucky Fried Chicken mascot features a bust of the man behind the goatee.

The massive, original Colgate Clock is mounted on a defunct factory building that was once a prison.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

This huge clock made of flowers and simple machinery was once used a political weapon.

This grave marks the final resting place of a legendary frontiersman... unless it doesn't.

This Indiana walk of fame honors music legends with record-shaped plaques in the pavement.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.