A lakeside garden in the Southern Alps full of whimsical artwork and thousands of beautiful flowers.

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

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

The school tested mustard gas for the U.S. Army during World War I.

This unassuming passageway played a key role in one of the most important events in U.S. history.

The discovery site of the "Capitalsaurus," the official dinosaur of Washington, D.C.

People escaping slavery may have hidden inside a corpse vault.

With over 100 jam-packed rooms to explore plus elaborate tea services and events, the Mansion on O Street is a hidden treasure.