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

HBO series' stage tucked away in a Greenpoint lot is the largest theatrical set of its kind in the United States.

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

Elevated freight railway turned wildly successful urban park.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

The futuristic test model of an iconoclastic visionary who wanted to redesign the world.

This ancient sinkhole-turned-healing-pool is a treasure trove of archeological discoveries and may even be the Fountain of Youth.

A sculpture of 18 beautiful clay mandalas on display at Warm Mineral Springs in Florida sends a message of world peace.

Former utopian colony based on the belief that the universe exists in a hollow sphere.

The snowbirds here are circus sideshow performers.

A Circus legend leaves an unexpected endowment.

A monument to the love people have for their pets.