Scores of wax baby figurines add an unusual mood to this beautiful church on the Greek coast.

A minotaur, a labyrinth, and a dubious restoration pull in visitors from around the world.

The ruins of an ancient fortification wall sit in front of and underneath this boutique hotel.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

A burial vault located under Tiber Island in the middle of the Italian capital.

The Vatican's secret porn-festooned bathroom was painted in erotic murals by one of the greatest artists of the Renaissance.

Hidden beneath the famous St. Peter's Basilica is a veritable city of the dead that may hold the remains of St. Peter himself.

A towering Art Deco movie palace made to look like a Mayan temple.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

A hot dog stand where the heads are just as hot as the dogs.

Chicago's museum dedicated to the history of bondage and fetishism is more textbook than titillation.

Assemble a masterpiece at the first and only North American school exclusively dedicated to mosaic art.

Chicago's largest cemetery is full of beautiful Victorian monuments and more than a few ghost stories.

This morbid, delightful curiosity shop offers everything from animal bones to human teeth.

This landmark of the Chicago silent film industry may not be in the picture business anymore but it still stands proudly.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

An enormous park-like oasis, full of famous Chicagoans' graves.

A haunting statue called "Eternal Silence" has quite the reputation among visitors with active imaginations.

A century-old hotspot for jazz, frequented by everyone from Charlie Chaplin to Al Capone.

An antiquated German apothecary on Chicago's North Side.

Once called the "Polish Gold Coast" it is an icon of the neighborhood that bears its same name.

A speakeasy takes on Chicago's drinking culture.

A Bibliophile's Dream.