Catacombs turned marketplace.

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

A more chill but no less fascinating version of the famous ancient archeological site.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

This riverside restaurant has been serving customers since 1146.

Special benches that play Chopin's music are scattered throughout his native city.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

A memorial to the beloved brown bear that served in the Polish army during World War II.

A peculiar family mausoleum built by a German nobleman captivated by the occult.

A huge wooden clock that is so beautiful its creator was forcibly blinded.

This uber-quaint Polish village is known for its habit of painting elaborate floral motifs on just about everything.

The site of the first battle of World War II.

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

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

This unreal Portuguese palace looks as though it's made from a pile of different castles.

When Motown musicians came to Nashville in the 1960s they stayed at this historic record-pressing company because hotels wouldn't host them.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

The juke joint where legendary soul artists ate, drank, and made merry.

Small and slightly hidden, the American Writers Museum is preserving the legacy of America's finest authors.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

This modest post office sits on the site of H.H. Holmes' famous murder castle.

Forever immortalized in concrete, this Simpsons etching was crafted by show creator Matt Groening.

The oldest tofu shop in the United States is a firm favorite with locals.