The oldest certified bowling alley in the United States is in the basement of this century-old bar.

This holy goods emporium is where priests go for a little retail therapy to outfit their churches.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

Once a speakeasy operated by Al Capone, this Milwaukee cigar bar is now a haven for ghost hunters.

This striking art museum holds an amazing series of curiosity cabinets.

A place to eat for on-the-run agents and espionage enthusiasts.

The palatial McDonald's that inspired Wesley Willis.

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

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

The twin towers in this Chicago fountain use 50 foot tall video screens to spit on people.

A display of magnificent stained glass windows is the first exhibit of its kind.

This historic hotel invented the chocolate brownie.

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

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

What's left of the ruins of the 1893 Columbian Exhibition, or World's Fair, also known as the White City.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The history and future of cannabis.

Breathtaking and huge 430 year old maps of Italy.

These spartan apartments are provided to clergymen visiting Vatican City.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

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

The spot where the fascist dictator made some of his most famous speeches including declaring war on Britain and France.

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

The mystic whose incorrupt corpse still attracts the faithful.