A tunnel of hardened lava along Maui’s famous Road to Hana.

Designed in the Romanesque style, this structure was once a fortress monastery.

A 40-foot waterfall flows into this unique natural swimming hole.

An iconic work of public art that lights up the downtown area.

Dedicated to nine marines from Massachusetts who perished during the Beirut bombings.

The phrase "the shot heard around the world" was coined after a skirmish at this bridge.

These waterfalls can be twins or triplets, depending on how much it's rained recently.

Explore a misty river canyon from a metal bridge system.

A tiny town’s tiny museum with some gigantic residents.

At the most northwestern point of the contiguous United States lies a trail leading through an ancient forest to stunning cliff-side vistas and massive oceanside caves.

The remnants of a 1970 plane crash remain high in the Rocky Mountains.

The warmth and creative kitsch of a quilt engulf every patron who visits.

This massive metal sculpture in the shape of a folded paper airplane overlooks a Utah mountain.

Paleoamericans built these ancient walls high in the Colorado Rockies as part of an extensive hunting system.

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

One man's love for East Coast diner culture brought an entire eatery all the way from New Jersey to Colorado.

This naturally-sourced hot spring is now home to a clothing-optional resort.

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

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

A local pineapple cannery once dumped pineapple trimmings off of this pier, with sometimes smelly results.

The 7,000-foot finish line of America’s first Olympic Trials marathon.

A short but powerful waterfall resides amid Colorado’s Great Sand Dunes.

This statue of an obscure comic strip hero stands as a tribute to patriotic service and a cautionary tale about embracing fads.

Isak Heartstone, a 15-foot wooden troll made out of recycled materials.