Over fifty whirling pools left by the glacial age.

It's not your typical library, memorial, or book store.

Limestone caves with spectacular showcase chambers.

Mysterious glowing orbs float through the desert night.

Bronze sculpture celebrating the relationship between Churchill and Roosevelt.

The L.A. Zoo has a secret garden of rare bootleg cycads, a palm specimen dating back 280 million years.

New fungal and bacterial species call this deadly lake home.

The original home of the Lego has a huge amusement park dedicated to the iconic plastic toy.

The largest source of fossilized insects anywhere.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

This historic, palatial theater is now one of the world’s most beautiful bookstores.

A series of waterfalls so massive they straddle the border of Argentina and Brazil.

Thanks to modern navigational tools we now know that the true prime meridian runs through a park next door.

Fossils, railroads, and waterfalls!

An abstract monument to a symphonic composer.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

The eccentric mansion of one the most popular horror authors of modern times.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Central America's deepest lake is actually a volcanic caldera, surrounded by three volcanoes.

All you ever needed or wanted to know about America's favorite whiskey, but not a drop to drink.

Deep scars on the earth left by the Ice Age.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

America's Most Wanted's set resides in this tribute to the history of crime and punishment.