Tacoma's historic Beaux-Arts train station is now a federal courthouse featuring large-scale glass sculptures by artist Dale Chihuly.

The gambling entrepreneur who built a city was also an avid collector of classic cars.

Nature has shaped this drainage tunnel into the digestive tract of a mighty beast.

This small museum is home to cannons cast by Paul Revere and the last remaining uniform of Egyptian President Anwar Sadat.

A sacred collection of indigenous rock art.

A massive museum preserving the United States culture and the home of Abraham Lincoln's sleigh.

This redwood is a historic landmark, a town’s namesake, and the dancing sideline symbol of Stanford University.

This unique landscape is the only place in the world to dig for hourglass-selenite crystals.

The home of possibly the least-loved U.S. president stands as a sort of unpopular Monticello.

This maintained cabin is where Josie Morris, an occasional associate of Butch Cassidy, lived out the last 50 years of her life by herself.

One of the best places to dig—some say on the planet—for six different types of chalcedony.

This small town Texas cemetery is said to be the burial site of a UFO pilot who crashed in the 1800s.

In the heart of Little Sweden USA, a small gallery and museum pays tribute to a Swedish-born artist who fell in love with the American landscape.

Collection of scores of race cars from the 1900s to recent lovingly maintained and displayed.

Featuring a Loretta Lynn display and a re-created coal mine exhibit.

This waterfront restaurant was the life of the party until a crime syndicate burned it to the ground.

This museum is dedicated to a Hollywood icon.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

This manor in the woods memorializes one of the greatest birders of a generation.

The world's only statue dedicated to the greatest Great Dane in comic strip history.

Penn State's giant bug collection.

Considered by many to be a local landmark and treasure.

An abandoned railroad tunnel transformed into a creepy path for hikers and cyclists.

Locals call this magical moss-covered walkway the "Emerald Path."