Ancient pueblos built into the base of a natural canyon wall.

A spiritual vortex among the red rocks in Sedona.

The fading, forgotten remains of a once bright and booming factory.

The Magical World of George Phar Legler.

This historic national park is covered in the stunning ruins of red rock pueblos.

Eons ago, a rushing lava river formed this pristine passage through solid rock.

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."

Dramatic river bend surrounds a natural red-rocked pedestal.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The seat of Buffalo government is a gorgeous Art Deco palace.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Collection of antique science instruments displayed in recreated 1870-1930 laboratories.

Genesis of modern hydroelectric power.

Toxic waste disaster that founded the Superfund program.

One of many reminders of Tesla's scientific contributions overlooks the falls which inspired him.

One of Mexico's youngest major cities still holds on to this structure representing its short modern history.

This restored opera house is named after a soprano known for tragic romance, exile, and a truly uncomfortable wedding.

Legend says one of the world's largest marine geysers is actually a whale that got wedged within the rocks.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.

An island graveyard with spectacular views of the Caribbean.

An artist's suburban abode looks like an architectural fever dream.

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

A 19th-century Baja cantina that many say is the birthplace of the margarita.