In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

This one has sailed five times as far as Sir Francis Drake's famous ship.

London's smallest police station is barely the size of a phone booth.

Where there's quartz, there must be gold. Thus is the story of the mines of Julian, and the titillating times of the Gold Rush.

A 400-square foot model of historic Quebec is the playing field for a state of the art light and sound show.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

One of the largest underground systems runs under Canada's largest urban center.

Golden and naked, the figure that was once the highest point in New York is all that remains of the second Madison Square Garden.

Once the most painted on object in the world, this short campus fence is well on its way to being so again.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

There aren't too many operational funiculars around, but Pittsburgh has two!

Books you don’t need in a place you can’t find.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

The sweetest graveyard in the world is filled with headstones for dearly de-pinted ice cream flavors.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Eighty million natural history specimens call this gargantuan museum home.

The monster at the center of the Darwin Center Spirit Collection.

Scattered throughout London are ancient remnants of the city's former bounding wall.

This legendary stone is of unknown origin, and throughout history has been a literal touchstone for British leaders.

An unusual round church in London with a Templar past.

The "lovely red Vega" of the legendary record-settling pilot.

This nearly endless university hallway is home to a unique sunset known as "MIThenge."