San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A sculpture for the sun and stars, created by Nancy Holt.

The story of Two Guns, Arizona could easily be described as a Shakespearian tragedy on Route 66.

Internationally known record store and purveyor of "dusties."

Life in this isolated, hilltop lighthouse was lonely, but it sure was lovely.

A recreated Stonehenge stands in a country field, complete with Easter Island moai heads standing as sentries.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

Hundreds of trees made from glass bottles make up this forest on Route 66.

Mile-long cave system near Great Smoky Mountains.

This private residence was the template for one of the most beloved television homes of all time.

If New Orleans is the birthplace of the "cocktail," why does their own museum of cocktail memorabilia beg to differ?

Acres of natural wonders left behind by a socialite-turned-gardener.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Once defending the city of New Orleans from invasion by sea, this fort faces an uncertain future.

These sub-farmland caves are home to a majestic stalactite known as the "Crystal King."

A ship that lived many lives under many names is now known merely as the "Ghost Ship."

All of Chicago's wood-paved streets are long gone but two alleys remain.

Nikola Tesla's former home contains an homage hidden from plain sight.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

The remains of the iconic train crash from the movie The Fugitive can still be found rusting along the Great Smoky Railroad.

Exact replica of the ancient monument, but much, much lighter.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.