An unassuming nature trail winds through dozens of tiny houses built for the wee people.

An enormous cat made of recycled wood scraps.

A Bed-Stuy gymnasium that hosts expansive raves, performances, dance parties, and more.

A veritable variety of odds and ends.

Visit the site of a subway powered by nothing more than air--and lots of it.

NYC's legendary underground network for bovine transportation.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Walk over a 150 year old manhole.

This Russian bar-restaurant lies within a three-story underground bathhouse.

A journey through military artifacts and the history of Cortland.

This Buffalo museum hides an Art Deco gas station designed by Frank Lloyd Wright.

Celebrating the greatest pugilists the world has ever known.

A 10-foot-tall concrete Alley Oop statue left over from World War II now stands on the side of the road.

A carriage house converted into what resembles an 11th-century English manor house

A retired oil tanker now offering amazing views of New York City.

This old estate is a remnant of when the Bronx was a popular summer destination for wealthy New Yorkers.

This overlooked gem outside Niagara Falls preserves and celebrates Iroquois culture.

A giant roll of mints marks the birthplace of one of America's most famous candy brands.

The private island of Yale's elite Skull & Bones society is kind of a dump.

Genesis of modern hydroelectric power.

A giant steel sculpture with animals in its shadows.

The first and only American institution dedicated to the enduring value of comedy in the United States.

This sprawling taxidermy collection celebrates the art and history of sport hunting.

This giant monument of the RCA mascot is a beloved fixture in Albany, New York.