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

These towering cliffs crystalize each winter, forming sheer walls of ice that are open for climbing.

Check out a hidden collection of vintage neon signs.

A tribute to Loveland’s most famous sweethearts, who helped spread cupid’s message to millions.

Birds with backpacks expedite film development for a rafting company on a remote Colorado river.

Hike, ski, or snowshoe to a backcountry yurt that serves up gourmet, four-course dinners.

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

Stay in a luxury cabin or refurbished Airstream in this former mining camp-turned-retreat.

This hot dog-shaped diner has moved all around Colorado, never been to New York.

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

This abandoned Civil War fortress is slowly being swallowed by the waters of Lake Borgne.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

An elevator into the Baltic Sea.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

Even drowned in an ocean of toxic waste, the remnants of this Romanian village stand tall.

A century-long search for a church that was never there.

The sunken structure looks like the victim of a catastrophic flood.

Known as the most resilient water tower in the region.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

This beautiful defunct water tower adds a European flair to a traditional Japanese neighborhood.

Eight "Guardians of Health" protect this art deco water tower from pollutants and bacteria.

A giant concrete Brutalist water tower in suburban Johannesburg.

Water-themed sculptures guard this unusually square structure.

Don't pass Gas, stop and enjoy it.