A world-class observatory in the California desert.

The headquarters of the semiconductor giant has a 10,000-square-foot museum.

The "beautiful" equation predicting the movement of all electromagnetic particles is engraved in front of Newton's tomb.

At almost 1,000 years old, this is the oldest known door in all of Britain.

The second oldest continuously operating bar in Louisiana.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A herd of 150 bison live on California's Santa Catalina Island and are at the heart of an ongoing debate between environmental protection and economic expansion.

A multiversal transit station located right below a highway interchange.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

A six-ton, 12-foot-tall concrete prairie dog is touted as the largest in the world.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A small Wyoming town is home to the state's oldest-operating soda fountain.

After being lost for nearly a century, this historic bell finally returned home after its mysterious theft.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

If you don't look closely, you might mistake this sculpture for just another passenger waiting at the airport.

These remote Florida islands have a history of sea turtles and sunken treasures, and one of the world’s largest coastal brick fortresses.

A futuristic-looking beach house built for the owner of a snack food brand.

Finally the worlds of UFO enthusiasts and beef jerky lovers have come together in this roadside shop.

This giant temperature attraction created some giant electric bills.

Take a dip in the world's largest mineral hot springs pool.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.

The clock that sets them all.