Hidden away in the city of Madison, Wisconsin is a nearly forgotten home that Frank Lloyd Wright built for a childhood friend.

No Gordon Lightfoot song, only a barebones monument to greed.

A 6-mile-long lake created by an apocalyptic seismic event and the deadly chain reaction that ensued.

Around half a million years ago, these magnificent columnar basalt cliffs were formed from cooling lava.

The largest hot spring in the United States is, as the name suggests, a stunning show of natural color.

A beautiful geyser under environmental threat.

An architect's childhood fantasy treehouse made real.

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

This Yellowstone geyser may not shoot as high as the nearby Old Faithful, but it erupts for considerably longer.

The only natural lake in the world that drains into both the Atlantic and Pacific Oceans.

Prayers and messages of hope decorate the ceramic tiles of this pavilion.

A wonderfully curated used bookstore in an airport.

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

A bizarre house filled with an astounding array of collections.