A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

Down a stairway in the East Village, you could once read a plaque describing an alternate history of a fictional version of Manhattan.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

The "World's Largest Underground Business Complex," a 55,000,000-square-foot city underneath Missouri.

Community bookshelf of 25-foot-tall book spines.

A piece of John the Baptist in the American heartland.

The abandoned "Ghost Mansion" was left to decay in the mountains of Northern Italy.

This ancient village and its adjoining cemetery have a beautiful history of death and remembrance.

A museum within a museum, devoted to history's most questionable medical devices.

A Building for Your (Former) Funerary Needs.

Funhouse of found art and participatory sculpture.

Equal parts record-breaking temple to consumerism and bizarre fun park, it's more than you think it is...

A bronze statue on a downtown corner honors Minneapolis's favorite career gal.

Manhattan's deadly West Side railroad, which killed hundreds of New Yorkers, is remembered by this simple plaque.

The mummified relics of an American missionary.

Under a glass sidewalk lie the remains of some of Manhattan's oldest buildings.

A very classy 1920s-era bar right in Grand Central Station.

An indigenous take on European design creates a stunning visual overload.

The splendor of this 17th century golden chapel has led it to be called the "eighth wonder of the world."

The "world's smallest volcano" has been used to store meals and dispose of dead bodies.

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

A uniquely robust and historic look at Mexico's omnipresent dance with Death.

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.