This equestrian statue of Constantine the Great has been the subject of criticism for centuries.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

A fake town founded by Western movie stars is now becoming a hip desert community.

This alley in downtown Chicago held the bodies of over 600 people after the fateful Iroquois Theatre fire.

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

A historic beacon built in the aftermath of the worst maritime disaster on the Great Lakes.

Honoring the star of the “The Bob Newhart Show” which took place in the city of Chicago in the 1970s.

A music-filled, booze-soaked oasis in the desert.

A 19th-century horse lover's bequest led to the construction of this unique fountain in Chicago.

A Wild West jailhouse that slid down the mountainside.

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

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

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

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

This bridge was constructed from the rubble of the infamous Bastille.

The remnants of a creative early method of wildfire prevention.

One of the largest trees of its kind in California.

Built for an exposition in 1915, these horticultural displays have stood the test of time.

The world's largest outdoor organ is played weekly by one of just two civic organists in the U.S.

Lined with plaques and tributes to veterans, this patriotic street was founded by Mexican immigrants.

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

The palatial McDonald's that inspired Wesley Willis.

Illegal drag racing two stories beneath Chicago’s streets.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.