Pilgrimage site for star-crossed lovers.

Five candy-colored villages on the Italian Riviera.

A fairy tale castle in modern Rome.

This beautiful park on the outskirts of Rome protects the ruins of two colossal ancient aqueducts.

The final resting place of the poets Shelley and Keats.

A former Roman town that was once the home of Scipio Africanus.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

A small oasis not far from downtown Moab.

An antique Beechcraft airplane serves as a giant windsock for people driving through the blustery open country of eastern Wyoming.

The first declared National Monument in the United States.

Crystal clear lake with a shoreline of travertine located in a Colorado canyon.

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

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.

Wondrous sandstone hoodoos where Native Americans collected clay for pottery, 9,000 years ago.

A river runs through this remote valley in a very unexpected way.

This Chinese-style quartz sundial was saved in its final hour.

Air Force Academy Chapel made of 100 identical tetrahedrons works to inspire those of all religions.

A research lab and hands-on museum where visitors can experiment with retro technology.

A futuristic hovertrain is parked unceremoniously alongside a nondescript road.

These decaying bridges 1,000 feet high are a reminder of the skill it took to cross the Colorado Rockies by rail.

In the middle of a suburban Denver neighborhood is a cave that once provided solace for a prominent Ute chief and his family.

An impressive collection of over 50,000 minerals including moon rock from the Apollo 17 mission.

The moving metal works of one troubled artist can still be viewed on his front lawn... for now.