The home of the first American-born saint is one of the only curved buildings in New York.

Magnificent New Deal Murals evoke a time when New York City harbor was one of the world's greatest and busiest ports.

Twice a day one of these tragic bronze mariners drowns with the tide to remember all those the sea has taken.

Built hundreds of years ago this downtown iron barrier once protected a much despised king.

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

Unrepaired walls from a 1920 anarchist bomb attack.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

This taxidermy horse was a Civil War hero.

The U.S. Supreme Court's secret Cold War relocation facility in the mountains of North Carolina.

This giant iron playfully pays tribute to an early 20th-century architectural trend.

The mansion home of author Edith Wharton.

A 60-room castle constructed by a horse-racing heir.

This mural celebrates the early integration of a New Hampshire baseball team.

Murder scene memorialized in perpetuity by grisly obelisk.

Come for the gun-toting hillbilly madman, stay for the ice-cream loving basketball bears.

A former zoo turned public park, where visitors can hang out in the old animal cages.

Former abode of notable poet, complete with literary references and stories of ghosts.

A tribute to the beloved, kind-hearted "homeless mayor" of Silver Spring.

The world's largest indoor go-kart racetrack is hiding in Connecticut.

A single light illuminates one man's overshadowed contributions to street lamp history.

The preamble to the U.S. Constitution written entirely from vanity license plates hangs in the Smithsonian museum.

The residents of the Neighborhood of Make-Believe live without much fanfare within the Pittsburgh Children's Museum.

Who knew the Devil's domain was a hot spot for tubing?

The lecture hall where Alexander Graham Bell first demonstrated the long-distance phone call.