In the middle of Calvary Cemetery stands this singular memorial to a small boy who died too young.

An enormous park-like oasis, full of famous Chicagoans' graves.

A strange and haunting monument of unknown origin in the historic Graceland Cemetery.

The beloved home to all publications indie, erotic, and punky.

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

This surprising gem is a world-class archeological museum hidden at the University of Chicago.

An avant garde art museum at the University of Chicago.

These abandoned grain silos and tunnels are an urban exploration dream.

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

This unauthorized stone mermaid was secretly carved out of public stone before being permanently preserved.

This historic-shipwreck-cum-diving-spot can still be seen poking its boiler out of the Lake Michigan waters that claimed it.

The beautifully designed resting place of Iran's national poet is a masterpiece of modern Persian architecture.

A phantasmagoric tomb honors a Belgian artist-scientist's contributions to the world of spooky entertainment.

Unbeknownst to many, an ancient burial mound hides in plain sight in Ueno Park.

An ancient cemetery hides behind a line of disparate chapels.

The smallest chapel in Europe is a moving testament to the love between a husband and wife.

Hidden under a center for the elderly are the dungeons which were used during the Spanish Inquisition.

In the Compton Hill Reservoir Park sits a statue whose lack of clothing caused a scandal for the group that commissioned it.

An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

Beneath this headstone lie the severed body parts of three individuals who were caught up in a bloody period of Scottish history.

One of the most popular brands of glass among collectors, the story of the A.H. Heisey & Company glassmaker is told in this Newark museum.

A tiny chapel and burial site lurk underground in Jajce.

A father’s love is immortalized by a unique dollhouse marking a young girl’s grave site.

The largest cluster of the Joseon dynasty’s royal tombs, home to the burial sites of 17 kings and queens.