A ruined mansion hidden in the woods of the Hudson Valley, home of a tragically doomed romance.

The very first subway station in New York City is beautiful, decked out in chandeliers, and ... abandoned?

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A semi-scholarly approach to sex.

The watery grave of an impractical idea.

Home to part of the world’s largest private collection of original manuscripts and documents.

The famed architect designed this Minnesota gas station of the future with a lookout tower.

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

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 rare vessel mixed luxury with labor before being converted to a museum and sometimes haunted maze.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

Giant novelty guitars now mark the spot where Robert Johnson is said to have sold his soul to the devil.

The bad-ass ride of a soul legend, housed in one of the world's few soul museums.

Continuing the tradition of the dime museum in style.

A sprawling collection of over 106,000 toys from around the world.

This museum started as a collection of Manhattan Projects and continues to add exhibits as they are declassified.

Wedding chapel's mysterious spiral staircase said to be miraculously constructed.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

A Muppet museum in small-town Mississippi honors the roots of Jim Henson's most beloved creation.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

This simple, broken column marks the final resting place of one of America's most famous explorers.

An engraved boulder marks the spot where Patsy Cline's life ended in a plane crash.

Every day a troupe of pampered water fowl walk the red carpet to their favorite fountain.