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

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

Everyone from Mark Twain to Teddy Roosevelt has a pipe hanging from the walls of this historic chophouse.

Visit the monolithic tomb of America's most famous general.

A bit of retro transportation flair preserved in the world's largest department store.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

A crumbling hospital from the 1850s on Roosevelt Island.

A celebration of the animation wizard's childhood home and antique railroad memorabilia collection.

This posh mansion began as a family's estate and ended as the site of a murder ripped from the pages of a pulp novel.

This quirky roadside attraction provides insight into Minnesota's logging history.

This picturesque cliffside beacon no longer calls to sailors but shines once a year in honor of a famous shipwreck.

The show pony of cave systems, Fantastic Caverns manages to live up to its name.

Statue dedicated to the star of an old television show.

A place to eat for on-the-run agents and espionage enthusiasts.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

A tribute to the twin ideals of religion and patriotism, built by a Catholic priest from rocks, glass, and innumerable found items.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

Dozens of large steel sculptures fill this two-acre park outside a former blacksmith's studio.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

The oldest house in Galena, Illinois, now is a reminder of when this city was the world's lead mining capital.

The world’s largest truck stop includes a barber shop, chiropractor, and a huge museum with antique trucks.

This remote island in Iowa was abandoned after being devastated by flood.

Step back in time while shopping inside this local store.

A hidden barn-sized rendition of Grant Wood's most famous, and most parodied, painting.