Visit a sweet shop selling one of the first candies ever made and sold in America.

A simple but powerful tribute to the 20 victims of the 1692 witch trials.

Ice cream stand, snack bar, and time capsule of milk conveyance.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

A men’s restroom became a sandwich shop.

"Mock all and sundry things, but leave the saints alone."

The first bell ever cast in Boston was cast by Paul Revere...and sounded terrible.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

A morbid secret lies hidden within the beautiful walls of the Boston Athenaeum.

Baroque celebration of the end of the Great Plague of Vienna.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Breathtaking and huge 430 year old maps of Italy.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

The Pope’s secret escape route.

This ritzy Italian market is built around a statue of an unforgiven heretic who was burned for his belief in an endless universe.

In Rome’s Jewish ghetto, a 200-year-old bakery still makes the neighborhood’s historic sweets.

A 15th-century monumental Latin inscription on this house celebrates Lorenzo Manilio's love for Rome.

A massive marble foot is tucked away in a small alley near the Pantheon.

A deep mark on the remains of a Roman temple, believed to be left by a legendary warrior.

A master of trompe-l'oeil creates a stunning, tourist-fooling dome out of a flat ceiling.

The tiny, studious rodents greet visitors to the National Archives of Finland.

Dedicated to the outnumbered Finnish forces who pushed back Soviet forces during the conflict.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.