In this small strip mall resides the largest collection of original art from the famed TV artist.

A historic gristmill that still produces flour and grits the old-fashioned way.

The oldest hotel in Nevada.

The remains of a 13th-century stronghold built by the Welsh prince known as Llywelyn the Last.

A giant wooden statue of one of the greatest pitchers in 19th-century baseball.

Narrow gorges and deep pools created by long-ago glaciers.

In British Columbia, a unique microclimate has allowed these trees to live much longer than they usually would.

This cemetery is one of the last remaining traces of a drowned old Western town.

A stone burial chamber that was also the site of religious rituals.

Unruly residents were housed in this one-person cell until the Black Maria arrived.

These unique rock formations were created during the Ice Age.

This Colorado fire station has been in continuous operation for more than a century.

Hidden behind an empty field resides this early 19th-century cemetery.

On one of the world's most active volcanoes, a pebble-filled crater changes color with the wind.

The grounds of this Catholic boarding school are said to have inspired Arthur Conan Doyle and J.R.R. Tolkien.

The deepest spring in Missouri.

Often referred to as the largest spring in America.

This road in the Great Smoky Mountains was supposed to assuage a displaced community, but ended up a $52 million dead end.

A relic of roadside lore and perhaps the first of its kind in North America.

An urban forest overtakes what was the greatest failure of utopic urban housing.

This bank is widely believed to be the inspiration for the offices of Philip Marlowe, the hardboiled detective featured in a number of Raymond Chandler's stories.

Previously a hot spring, this park remains a site of unique history, wildlife, and geology.

Legend says this rock spire is the finger of a witch who wanted to throw the Faroe Islands towards Iceland.

According to legend, King Arthur killed a beast that dwelled beneath the waters of this Welsh lake.