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

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

The final resting place of the world's first nuclear reactor.

A replica viking ship from the Chicago World's Fair is still in dry dock in an Illinois park.

The city of Rockford, Illinois is symbolically protected by a quartet of fittingly stony sentinels.

One-of-a-kind preserved ruins of an abandoned 1880s church in Chicago's Pilsen neighborhood.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

This overgrown Illinois water park offers a whole new type of adventure.

Former hotel turned into haunted playground.

Built to house a chapter of the Knights Templar, this grandiose building is a relic of Freemasonry in Chicago a century ago.

Beloved bar home to musicians of all eras and reputations.

Cemetery featuring rare glass-fronted columbarium.

Chicago's North Park Village was once the largest municipal sanatorium in the country.

River pirates, murderous bandits, and serial killers used this Illinois cave as their debauched hideout.

Staves, storm-calling, and of course, necropants.

360° views of the city plus five floors of optical illusions and hands-on science.

Famously misunderstood wonder of the ancient world

A speakeasy takes on Chicago's drinking culture.

A church of bones, decorated with 40,000 human skeletons.

The hidden "ballroom" under a mansion lake was built by a criminal who ate a cyanide pill during his trial.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

The world's largest collection of witchcraft regalia.

A beautiful, dense forest in the shadow of Mount Fuji, with a tragic reputation.