Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

A museum and shop on Bourbon Street located in the former home of the second Voodoo Queen of New Orleans.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

The final resting place of New Orleans' most famous voodoo priestess.

The only swimming pool listed on the National Register of Historic Places is emptied and refilled each day with naturally filtered water.

A psychological self-portrait in the form of a giant, segmented head.

A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

Berry Gordy Jr.'s old home was the original headquarters of Motown Record Corporation.

One man's attempt to create an artistic wonder on a run-down block in Detroit.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The neon signs from Las Vegas' past find their final resting place at this unusual graveyard.

A snapshot of the city's fascinating voodoo culture.

World's first "penitentiary," meant to be humane, drove men insane.

A musical instrument played by the sea.

Now harmless, this looming post struck fear into the heart of medieval troublemakers.

400 million years of erosion shaped these fascinating seaside caves, which made an appearance on 'Game of Thrones.'

A vibrant portrait celebrates the actress in her hometown.

The artwork immortalizes one of 20th-century Ireland's leading creatives.

The artwork is a community's ode to the "father of Irish tourism."

A museum dedicated to the tragedy of Bloody Sunday.

A trail of "Game of Thrones"-themed doors carved from fallen trees from the iconic Dark Hedges.

These murals stand as reminders to the troubled history of this Northern Ireland city.