A beautiful little museum hidden away in the heart of Barcelona holds a treasure trove of Ancient Egyptian artifacts

The 2,000-year-old Roman columns are hidden within Barcelona's Gothic Quarter.

Ample proof that watery ends make for well-preserved, millenia-old mummies.

Aged nearly 1,700 years, the world's oldest bottle of wine is probably still drinkable.

The final resting place for a wealthy Roman family, this tomb might be the best preserved of its kind outside Italy.

A staggering collection of satellite models and actual flight parts.

A special area of the National Archaeological Museum of Naples is located inside a metro station.

The atomic museum in the basement of this German castle displays long strands of replica uranium cubes.

A Neolithic burial site erected around 3000 BC.

To the great disappointment of doomsdayers, this codex merely contains records of the Moon and Venus.

In this brilliant blue spring in Germany, legend has it that a sad mermaid learned to finally laugh.

The small alleys in Lübeck's Old Town are a result of medieval urban sprawl.

The resting place of 18th century German mummies.

Eight naturally mummified bodies in glass coffins are housed in an underground crypt.

This magnificent museum claims to house the cranium of a disciple and the skull of a pope.

The 3,600-year-old archeological sensation is considered to be the oldest representation of the cosmos.

When a medieval fire claimed the original St. Stephen’s Cathedral, it sparked a pattern of unquenchable organ building.

The world's oldest rose is so tough it survived being bombed in World War II.

This 8th-century Bavarian monastery is home to an exquisite Baroque-era library.

In 1830, cemetery workers in Cham unearthed a chamber housing thousands of skeletal remains from the 13th century, which can still be viewed today.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

The last bastion of Roman presence north of the Alps looms over a German town.

This 600-year-old home seems to defy physics.