This soviet pilot's graveyard is filled with headstones made of airplane fins.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

The Guardian of Tallinn.

This stoic bronze soldier stands as a symbol of Russian sacrifice or Soviet oppression, or maybe both.

In Florence's great Duomo, a 26 foot fresco honors a mercenary famous for attacking Florence.

A modern sliver of architecture in Roma.

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

Harlequin costumes, signed scripts, and armor-wearing puppets.

This Roman arch marks the location of an ancient gate at one of the Seven Hills of Rome.

Five candy-colored villages on the Italian Riviera.

This hill made entirely of ancient Roman jars was simply a garbage dump to the people of the time.

One of several skulls claiming to belong to the beheaded St. John the Baptist is on display at this Roman church.

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

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Go inside to really appreciate this 500-year-old technological masterpiece.

2300-year-old Roman road connecting the empire.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This massive melon is a recreation of a similar gate from the Pan-American Expo.

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

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A diverse, expansive nature preserve in northeastern Kansas.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A battle between nature and architecture in the Cambodian jungle.