Deep scars on the earth left by the Ice Age.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

The home made famous by the 1983 holiday classic is now a perfectly preserved shrine to the movie.

This museum of Hawaiian and Polynesian culture is the legacy of the last descendant of the Kamehameha Dynasty.

The spot in the Mile-High City that's exactly 5,280 feet above sea level (at least for now).

An enormous, inside-out glass globe built in 1935.

Impossibly life-like natural history models created out of glass by a father and son.

Pluto is still considered a planet in Ithaca, New York.

North America’s largest collection of horological devices and home to a colossal clock with a dizzying array of features.

One of the now-less-hidden floral gems of the "Emerald Necklace."

In which a local geological marvel becomes a quaint roadside attraction.

It's not a typo, now say it five times fast!

This evocatively named natural crevasse was created by a torrent of water that smashed right through a granite deposit.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

"Gnome Chomsky" was once the largest gnome in the world, but is now simply tall for his kind.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

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

The largest guitar store in the world has been visited by some of music's all-time greats passing through upstate New York.

A giant steel sculpture with animals in its shadows.

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

World's largest herd of white deer populate a former U.S. Army depot.

This oversize piece of novelty cookware once cooked the largest pancake in the world.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

Historic Hull Street was actually the first street with a proper name in the Boston area.