James Turrell's total color immersion art installation, hidden on the top floor of a luxury handbag shop.

Canyon walls shrouded in ferns.

Once the tallest building in the world and the site of "the highest dinner ever held in New York" this building now holds the most expensive penthouse in the city.

This former steel and coal plant is now a neon-lit industrial fantasia.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

This single room has survived the centuries with almost no deterioration.

One of Ireland's most infamous prisons for rebels including men, women and children.

At 207 feet, one of the world's longest continuous escalators.

The deepest lake in the United States, and once the site of epic destruction that lives on in legends.

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

Walk into the 19th century without leaving Brooklyn.

Salute the leader of the proletariat.

A terrific purveyor of natural history objects and curios.

A cargo of beautiful music.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

One-time largest man-made structure in the world will be a park in 30 years.

Two thousand artifacts from around the world collected by one woman who loved to travel.

Impossibly life-like natural history models created out of glass by a father and son.

One of America's most historic homes also holds a startling literary legacy.

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

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.

A beach made of semi-precious green sand on the Big Island of Hawai'i.

This black shoreline is made up of exploded lava particles.