A square-domed symbol of resilience in the heart of the old Jewish Ghetto.

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

This ancient market is often referred to as the oldest shopping mall in the world.

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

This beloved marketplace mascot poops money and grants good luck.

This elaborate towering structure was once famed for its revolutionary height.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

The hippo that stands on this university campus was once a drunken flea market purchase.

A 1,100-ton train fell through the floor in 1953. Workers got it patched up in just 72 hours.

A historic arena where the Beatles played their first concert in the U.S.

A six-story-tall golden pyramid, surrounded by a moat.

A river with some unusual, and occasionally dangerous, habits.

World's second largest particle accelerator, where nature reveals its secrets.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

Half-sized replica of the Leaning Tower of Pisa built to honor Galileo.

This $3 million model train takes you through Chicago, Seattle, and the thousands of miles in between.

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

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

The palatial McDonald's that inspired Wesley Willis.

Fragments of architectural wonders from around the globe are embedded in the newspaper building's walls.

Illegal drag racing two stories beneath Chicago’s streets.

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