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

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

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

New York City's smallest piece of private property.

One of only two commuter aerial tramways in the United States.

Ride the subways of yesteryear.

Elevated freight railway turned wildly successful urban park.

This lavish room in a New York City mansion is a rare relic from the end of the Gilded Age.

The only Leonardo Da Vinci painting in the Western Hemisphere.

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.

Yup, that's where the name came from.

The Old Mill shown in the opening credits of “Gone With the Wind” is actually fairly new, and was never a mill at all.

This Little Rock legend has survived decades of rowdy crowds, three fires, and a zombie wedding.

This Arkansas town is known for its gangster history, its healing waters, and now its brews.

Two gushing waterfalls of hot spring water within a block of each other.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

A dilapidated dock tells the story of Titanic’s missed arrival.

It is locally loved and ridiculed for literally looking like poop.

Today's aerospace industry can be traced back to one man and his gliders.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

Approximately 250,000 people left homeless by the great earthquake and fires found shelter in Golden Gate Park.

The remains of a ruined mansion memorialize the 1906 earthquake.

Once the largest windmill outside of Holland, with enormous 114 foot sails.