One man has installed bathtubs into the Utah desert floor to harness the powers of a natural hot spring.

A well-preserved Ancestral Puebloan ruin tucked beneath a desert cliff.

Giant pinnacles in the sun-scorched lands of Southern Utah have been nicknamed "white ghosts."

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

This rugged area of red rocks and arches is often considered one of the most beautiful places on Earth.

Sandstone rock formations that look like they belong on the cover of a progressive rock album.

Bizarre lunar-like landscape with thousands of large stone "hoodoos."

Dig for your own trilobites in this goldmine of invertebrates.

Incredible sculptures inspired by obscure passages from the Bible.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

This geothermal hot spring hides beneath a slowly growing mineral dome.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Here, at the "world's longest art gallery," you'll find forty miles of ancient petroglyphs and pictographs.

A house carved into a rock in the 1940s.

This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

The site of America's first commercial oil well essentially disappeared after the town went bust.

This roadside stand packs 300-plus varieties of tomatoes, from "Maiden's Fire" to "Kaleidoscopic Jewel."

The oldest active church in Pennsylvania is also the second oldest Swedish Church in the United States.

No one knows who painted this mysterious mural in a Penn State basement.

It may appear to be a fancy junk yard, but each item has a story to tell and a lesson to impart.

This stately 19th century library pushed architectural boundaries at a time when the public library movement was just taking off.

Sections of the iconic limestone columns have been left uncleaned as a reminder of the city's polluted past.

A curious building honoring past and current members of a historic musical comedy troupe.