This ancient trail has claimed the lives of over 2,000 people.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

Unknown to many, this sparkling turquoise lake hides amid Oregon's snowcapped mountains.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

Smooth basaltic rocks tell a tale of ancient glacial waterfalls.

A mountain range on an active U.S. Navy base hides thousands of mysterious prehistoric rock carvings.

Albuquerque found the perfect use for tumbleweeds at Christmastime.

When life gave this firefighter a forest fire, he made a rough-hewn sculpture park using a chainsaw.

Live data is transmitted from the Atlantic coast to instantly recreate the ocean waves in this fountain at the NOAA headquarters.

The sole surviving relic of the San Francisco neighborhood cobbled together from old horsecars and streetcars.

One of the largest helium balloons in the U.S. is a 112-foot ginormous orange.

A small sculpture garden that provides a microcosmic representation of California.

This enormous World War II relic is one of the largest wooden structures in the world.

The rusted remains of an ill-fated freighter lie just off the coast of South Manitou Island in Lake Michigan.

The Magical World of George Phar Legler.

Thousands of migrating monarchs overwinter clustered amongst the eucalyptus trees.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

One of the ghostly stops along Route 66.

A volcanic tunnel illuminated by natural skylights offers a shaded respite from the desert sun.

No one's quite sure why there's a metal megaphone bolted on two rocks in the middle of the Mojave Desert.

A working farm turned into a museum dedicated to the world's most unbelievably tiny cars.

The birthplace of the Ford Model T is now a museum full of antique cars.

Every plane, auto, and bicycle in this collection is kept in working order and are regularly demonstrated to the public.

This popular pilgrimage site offers a hole filled with holy healing dirt.