Pilgrimage site for star-crossed lovers.

The famous sculptor left his mark on this Italian wall in an internationally protected example of street art.

Secret refuge and museum of the Duke of Florence.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

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

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.

A mysterious chasm in the heart of the ancient Roman Forum, the Lacus Curtius was once believed to be a gateway to hell.

A Nesting Doll of Churches.

One of Catholicism's four major basilicas has a series of papal portraits that are said to predict the end of the world.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The glowing blue Nymphaeum of Emperor Tiberius.

Home to items never before seen by the public.

A massive volcanic plug is now a protected area that hosts a number of bird species.

An alley covered with 20 years of bubble gum.

A hotel and restaurant serving as the mecca of kitsch.

Stripes of flowers bloom each spring in a 50 acre rainbow of color.

San Diego's most historic and haunted home.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

This dark, quiet forest on the outskirts of San Diego is dense with rumor and lore.