This little-used trail winds through the highest mountain range in central Nevada with sections around 10,000 feet.

The former home of Thomson Francis Mason, the mayor of Alexandria from 1827-1830.

An unusual snaking bank of boulders caused by longshore drift.

This collection of Neolithic monuments make up one of The U.K.'s richest archeological landscapes.

An Orthodox church inside a small "Garden of Eden" built by a man who had a vision.

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

An impressive piece of infrastructure that seems outsized when considering it serves an island with a population of less than 300.

Designed to provide fantastic views of the surrounding rainforest.

This unique architectural wonder is home to luxury apartments.

These unique rock formations were created during the Ice Age.

These crude contraptions were used to aid in the mining of lead, silver and gold.

Home inspired by the crystal rock formation of the Emerald Estates.

The La Trobe Swing Bridge was the first movable bridge constructed in Victoria.

Sit at the "Disney table,” where Walt and his team of "imagineers" once dined on the regular.

The bar where "The Great Train Robbery" was planned was once a nexus of high society and low morals.

A natural rock bridge towers above the sea.

A work of art that pays homage to a Victorian timepiece in Providence.

Hidden in this modern shopping center is a relic of 16th-century capital punishment.

The well-preserved remnants of a bridge that once made up a WW1-era military railroad.

A staggering collection of satellite models and actual flight parts.

Though it may look like a businessman's lost luggage, this case suspended under a highway bridge is actually a contemporary art installation.

Neolithic burial chambers hidden beside a village school.

A gardener saved a beloved clock face from destruction by building it into a wall outside his house.

In England, an 18th-century water-powered workshop still stands.