Let Ouray’s tallest waterfall sweep your breath away on a dealer’s choice of scenic hikes.

This high-desert oasis spotlights some of Colorado’s most sacred native plants.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

When ecosystems collide in the arid Southwest.

At the tallest peak in Colorado, an electrifying mix of thin air, lightning, and rivalry.

Step back in time at this historic variety store, packed with items from a bygone era.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

A repurposed railway tunnel with otherworldly acoustic characteristics.

A star fort along the C&O Canal in western Maryland that protected America in three wars.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

Originally envisioned by King Ludwig II to rival Versailles, Herrenchiemsee's "New Palace" remains half-gilded for lack of funds.

The fairy tale castle of the "fairy-tale king."

A radio tower with something unusual between its legs.

Meet manatees face-to-face at this zoo for native species.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

Look closely and you’ll notice that the color changes a third of the way up the tower.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

This maze-like, oceanfront gift shop—the nation’s largest— has been serving kitsch to the Myrtle Beach community for over 80 years.

This bridge is haunted by the ghost of a distraught mother.

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

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Abandoned railroad tunnel is home to a colony of three million Mexican free-tail bats.

An unfinished rail tunnel that has since been used to house cheese and bats.

Each summer, the migratory bats living beneath the bypass form "batnadoes" at dusk.