Nature's biggest mammal swims in landlocked Oklahoma.

The huge granite obelisk that towers over a small California town.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

From the sky, a kaleidoscope of color brightens the grey landscape of the San Francisco Bay.

A sharp bend in a dramatic river canyon cut through red rocks.

Come for the speed, leave in love with the desert.

A sculpture made of 10 Cadillacs as a monument to the “Golden Age” of the American automobile.

See massive fossils that are over 200 million years old in northeastern Arizona.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

The largest wooden building in the world now houses a fascinating collection of aircraft.

Only known mainland rookery of the threatened Stellar sea lion.

A collection of colorful dinosaurs hidden in an actual rainforest.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

Two mammoth statues inspired by equally tall tales lure tourists to this roadside attraction.