A house turned museum is the real-life "home" of the fictional main character of The Wizard of Oz.

A mysterious echo seems to defy the laws of acoustics.

This wall on a street corner in Lower Manhattan has been a blank canvas for a rotation of renowned artists since the 1980s.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

Offering commanding views of the California coastline, this restaurant was a hub for the artists and bohemians of Big Sur.

The world's largest collection of the world's largest objects is in one small Illinois town.

Mystery surrounds a famous marshal of Napoleon's army.

A historic coal mine that doubles as a museum and tourist attraction.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

Because there's no place like home.

It's big, it's a ball, and it's made of twine—the world's largest of its kind.

This collection started by a Cornell professor once held more than 600 human brain specimens, including the one that belonged to its founder.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

The unedited photograph called "Bliss" has graced the screens of over a billion computers.

The last remnants of what was once one of the world's grandest hotels can now be found in a Manhattan subway station.

This rustic cabin, outfitted with gun slits, was once home to John D. Tewksbury, patriarch of the bloodiest family feud in American history.

The home, museum, and death site of Kodak's influential founder.

This rare tortoise skeleton has been hanging around the downtown Los Angeles museum for over a century.

This punny mirror of another Wisconsin attraction is exactly what it sounds like.

This abandoned factory on the Hudson River once churned out a million bricks a week.

The biggest solar telescope in the world helps reveal the secrets of our sun.

The first evidence of some of the Earth's earliest life was found in this fossilized undersea grotto.

The ghostly remains of what was once the world's richest copper mine.

In Paris, Texas they have their own Eiffel Tower, it just has a cowboy hat on it.