Spinning silently in the lobby of an Art Deco masterwork is a massive vintage model of the Earth.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

You don't have to be an ambassador to dine like one.

What happens here stays here – unless it affects the whole world.

In the back of a nondescript sports bar is a museum-worthy mural by legendary cartoonists.

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

Toxic waste disaster that founded the Superfund program.

A preserved factory in the "Home of the Carrousel" is now a museum dedicated to the classic wooden ride.

Ruins of a once-prized railroad station in New York.

This restored house is like a time capsule of the president's unconventional inauguration.

This unique crypt designed by Frank Lloyd Wright for his longtime friend was not completed in either man's lifetime.

One of Frank Lloyd Wright's greatest—and favorite—architectural masterpieces was almost lost.

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

A forsaken wonder in the middle of the East Side neighborhood.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

An unprepossessing stone marks the last resting place of one of the most accomplished Native Americans in history.

An elaborate memorial to a man local legend says died of a broken heart.

This little slice of old Jerusalem in Oklahoma is the evolution of a century-old passion play.

American bison herd descending directly from a Bronx Zoo breeding program that saved the species from extinction.

A peculiar forest that was handcrafted for government experiments.

Final resting place of Geronimo, Quanah Parker, and the first atomic gun ever fired.

At 130 years old and 126 feet tall, it is the largest known example of the rare Torrey pine tree.

The world's longest known cave system.

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.