The remnants of a 1970 plane crash remain high in the Rocky Mountains.

Abandoned silver mine strewn with wrecked and twisted structures.

Once an unstoppable source of gold and silver, this town came to a grinding stop when the groundwater proved deadly.

At one time this small mining village was the highest town in America but now it sits abandoned while the mine churns on.

One of the smallest towns in the United States.

A plaque immortalizes the spot where the early American spy said his famous last words: "I only regret that I have but one life to lose for my country."

A Manhattan Episcopal church with an eerie underground crypt.

You must take the A train... to the last active cemetery in Manhattan.

One of the only single-person private gravesites in New York City.

A memorial to the first person killed by a motor vehicle in the Western Hemisphere.

Harlem park dedicated to compulsive hoarders killed by their own junk.

Unique antiquarian shop specializing in globes, maps, and prints.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

This sidewalk monument honors more than 50 civil rights activists who helped change the face of America.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

An old dining hall now serves up ghost stories for lusty locals.

A beautiful final resting place with some surprising residents.

Rochester's signature culinary delicacy.

Alexander Milliner, a favorite of General Washington, is interred at Mt. Hope Cemetery along with 80 other Revolutionary War veterans.

A surprising collection of bronze faces beneath a bridge in Loveland.

The only one of New Hampshire's original 14 World War II watchtowers to survive in near-original condition.

A quiet spot commemorating two naturalists who had to choose between love and the university at which they both taught.

This small stone chapel is a hidden gem just outside the University of New Hampshire campus.

The remains of a religious colony, its amusement park, zoo, and baseball empire.