The biggest solar telescope in the world helps reveal the secrets of our sun.

Take a monster truck tour around an ostrich farm in the middle of the desert.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

Witnessing the might of this dessert-colored desert waterfall is a rare, powerful treat.

The world's largest rose bush has literally outgrown the pioneer museum it was planted behind.

Collection of vintage trailers double as hotel rooms.

What is the Thing?

Limestone caves with spectacular showcase chambers.

The artist James Turrell is repurposing an extinct volcano crater as an observatory to experience the cosmos.

The Magical World of George Phar Legler.

One of the largest, oldest, darkest, quietest motel rooms in the world.

America's only nuclear missile silo open to the public.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

One of the largest aviation events in the world brings half a million aircraft enthusiasts to Wisconsin each year.

A hundred-year-old museum filled with giant physics toys and experiments designed by grad students.

Small-town museum dedicated to outer space ... and bicycles.

One of the last surviving C-97s sits in a field in front of a Wisconsin inn.

Tirelessly maintained by a Wisconsin man named JFK.

Home to the world's largest refracting telescope and the birthplace of modern astrophysics.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

A large circus museum with summer performances.

One of Frank Lloyd Wright's final works was this UFO church.

Five acres of divinely inspired folk art.