Legend has it that this bronze orb, which sat atop an ancient Egyptian obelisk, once held the ashes of Julius Caesar.

A magical, macabre wax museum, beloved by locals, uses real artifacts to depict an assassination from the French Revolution.

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

Largest necropolis in the Mediterranean.

The odd depiction of the Virgin Mary and baby Jesus is rooted in the Catholic Church's eradication of Catharism.

The magic's in the hole!

The beautiful, ornate weather station is the most popular geocache in Salzburg.

A history of heat is on display at this unique Austrian museum.

Their motto is, "We've been bonkers for hats even longer than you have!"

One of the most comprehensive collections of historic Native American culture in the country reframes artifacts as artwork.

The best preserved Paleochristian basilica in Rome hides a number of oddities and secrets.

The remains of a town so thoroughly destroyed by French forces that the citizens simply left.

A sinister pyramid in the Frari contains the heart of the famous neoclassical sculptor.

Filled with goldfish swimming in a shallow pool of sea water, this ancient crypt is more wishing well than burial site.

The plague quarantine island home to the alleged "Vampire of Venice."

The martyr's wax-enhanced skeletal remains lie preserved in a glass case in the Santa Maria della Vittoria in Rome.

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.

The glowing blue Nymphaeum of Emperor Tiberius.

This bronze statue of Martin Luther King was placed in the park without permission.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

This quirky curiosity shop takes its cues from the world's bazaars.

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Electrical curiosity museum housed in an old transformer station.

A Hungarian pharmacy museum with a box full of mummy powder.