This magnificent herd of stampeding elephants has been frozen in time for over a century.

This hidden oasis features a stunning view of the Hudson River and the Palisades from a castle-like museum.

The gilded vestiges of a sterling department store can still be found in a Brooklyn shopping center.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

This subterranean oyster house has been the pearl of Grand Central Station since 1913.

This neighborhood grocery houses a treasure trove of Eastern European delights.

The New York hotel where tragic visionary Nikola Tesla spent his final hours, destitute and alone but for the pigeons.

An uber-secure, windowless tower of doom in the center of Manhattan is an NSA spyscraper.

The original toys that inspired the beloved children's stories are on display at the New York Public Library.

The "Seinfeld" diner.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

In the depths of the Everglades, one man has dedicated his life to studying the elusive Skunk Ape.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

The sign that drew attention to a young boy's cucumber stand is now the name of his fruit superstore.

Found: Garden of Eden in Miami-Dade County, Florida.

This sprawling 18th-century cemetery features unique and beautiful gravestones, including one shaped like a tree.

Resonating tubes make music from highway overpass.

A monument to the Mohawk people stands along an old Native American trade route.

This abandoned neighborhood is now a park filled with beautiful trees, wildflowers, and hints of its past.

These magnificent city walls rise from the barren sun-baked Spanish plains like something straight out of a fairytale.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

Not to be confused with the iconic New York City skyscraper, this Chicago building is a vibrant hub for artists.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."