These Pre-Columbian petroglyphs contain representations of birds, deer, hunters, and even some early Native flute players.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

This jaw-dropping 19th-century bridge uses its reflection to form what appears to be a perfect circle.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

A drab two-story office space in Delaware is a hidden tax haven for Hillary Clinton, Donald Trump, and over half the Fortune 500 companies.

The nearly 120-year-old piece of pork wears a brass collar and was once a man's "pet ham."

This painted blacktop brings the classic arcade game to life.

An ice cream parlor chain that caters to vegans and pinball fans equally.

A hidden "place of interment for gentlemen."

The walls are decorated with whimsical murals painted by the creator of the Madeline franchise.

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

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

Landmark Chicago building narrowly avoided destruction.

One of the few remaining relics of the meatpacking hub that made Chicago the "hog butcher to the world."

An actual 1957 Cadillac De Ville, encased in 15 cubic yards of concrete.

G.V. Black, the Father of Modern Dentistry, keeps an eternal eye on Chicagoan’s teeth from his perch in Lincoln Park.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

In a quiet north Chicago neighborhood rests a stunning relic of the golden age of earthenware design.

The original Garfield station is the oldest station facility on the "L", with the station house dating from 1892.

The oldest house in Chicago certainly doesn't look the part and there are some who say it doesn't deserve its title either.

A curious collection of miniatures in a quiet corner of the Chicago Children's Museum.