A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

A kaleidoscopic warehouse-maze of handmade neon signs.

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.

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

In Chicago, a pizza-enthusiast has opened a museum dedicated to the history of pizza.

What was once one of the country's largest confectionary plants is now an abandoned ruin, but is still pretty sweet.

Pizza with a side of fine art.

A Museum of Holography frozen in 1974.

A century-old network of freight tunnels underneath the city's historic business district.

Once at the center of U.S. finance, the historic Trading Room was meticulously recreated piece by piece and rebuilt in the Art Institute.

This titanic Catholic church in Chicago is also a refuge of the fictional cult-favorite wizard detective Harry Dresden.

Where dioramas can follow you home.

A bloodstain from "the wound of the transverberation of the heart."

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

This bronze sculpture on a former squash court marks the secret origins of the Atomic Age.

No one knows how many bodies are in this vault in a Chicago public park.

This small, but long-running hobby club has built one of the largest model rail lines in the US.

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

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

A chance to follow in the footsteps of the word's most legendary animator.

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

These mansions date back to Chicago's days as a brewer's paradise.

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