This lake in the Cascades lives up to its name, disappearing down a hole every spring.

The highest bridge in America was built for an almost unnervingly small amount of money.

Pompeii's less famous neighbor is still revealing her secrets.

Spend the night in this formerly abandoned traditional Scottish village.

Despite the ever pressing encroachment of urban sprawl this grand New Orleans manse still stands.

A clear blue swimming hole with hidden caves, still unexplored.

A mechanized clock where a man fights off a dragon, crab, and rooster.

Monasteries on rock pillars, once accessible only by frayed ropes.

This hidden Art Nouveau courtyard is an opulent feast for the eyes.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

An abandoned castle owned and ignored by Masons carries a cursed history.

Oregon's unexpected high desert, displaying layers of time in a colorful show.

Quite simply the largest tree in the world (by volume).

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

The remains of an idyllic small town built for the film 'Big Fish' still stand around a rundown main street.

This historic "City of the Dead" lies prominently in the center of New Orleans' famous Garden District.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Frank Lloyd Wright's most iconic home dangles over a Pennsylvania waterfall.

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

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Each year these high desert hills are absolutely covered with poppy flowers in a surreal show of nature.

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