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

Glasgow's own "tipsy" temperance monument.

Glasgow's memorial to the International Brigade volunteers from Great Britain who fought and died in the Spanish Civil War.

This former football stadium seems almost abandoned but is still in use by the next generation of Scottish sports stars.

A mysterious ruin shrouded in more folklore than fact.

The world's oldest surviving music hall was also once a freakshow.

Recovered suit of a cannibalistic West African gang.

An everyday Jackson Heights bodega conceals a Mexican seafood paradise.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

Collect holy water from a Bronx grotto.

You don't have to be an ambassador to dine like one.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

Long-forgotten artifacts give incredible insight into New York's most glamorous hotel.

One Brooklyn man's collection of life-size fiberglass statues has taken over his entire yard.

This was one of the first (and last) university-built and operated nuclear reactors.

In the middle of suburban Staten Island, a nearly 150-year-old bakery is preserving the art of a disappearing New York treat.

Have a steam and some blini at this cafe in a century-old bathhouse.

Salute the leader of the proletariat.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Prove you deserve to be fed by Kenny Shopsin.

A masterpiece of LGBT art has been restored in what may now be the most valuable restroom in America.

Mysterious 500-year-old tapestries depict a unicorn hunt.

A dilapidated dock tells the story of Titanic's missed arrival.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.