This monster board rode a monster wave to break two world records.

Oldest building in California still in use.

This public park was the site of the largest civilian disaster of the Civil War.

Could it have picked a better place to land?

This modest marker near Notre Dame identifies the very center of Paris.

Pittsburgh’s largest and most detailed model train display began as one WWI veteran’s hobby.

The mortal remains of a Russian prince, priest and paranormal investigator who came to America in 1792.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This plaque marks a place where one of Hollywood’s most famous dancers got his start.

The oldest automobile museum in the United States.

The only museum in the Western Pennsylvania region that focuses on Asian art and Meissen porcelain.

The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

A piece of baseball history is preserved in a Pittsburgh parking lot.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

The façade of this building looks like a bingo board, but it's really a giant clock by a famed graphic designer.

Manhattan's lighthouse, erected at the insistence of the unsinkable Molly Brown.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

Revolutionary War casualties fill the only 17th century structure remaining in Manhattan.

A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.