Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

The 953 windows undoubtedly make this the world's most beautiful screened porch.

A complex of six forts embedded in the Rajasthan hills.

The world's second-largest sundial, made entirely out of stone.

One of the ghostly stops along Route 66.

Towering basalt columns, a creation of fire and ice.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

The highest dunes in California are the most likely place in the area to hear the Singing Sands.

A castle that was built stone by stone by an eccentric journalist.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

The abandoned zoo enclosures offer a perfect place to experience the other side of the bars.

Rusty industrial city full of oxidized distillation towers.

360-degree virtual reality chamber physically immerses scientists into their data.

The ruins of the castle that chemicals built.

Factory that once supported an entire company town of 350.

A hotel and restaurant serving as the mecca of kitsch.

Where the polar bear watches over everything, and every drink is a double.

A seemingly endless landscape of pure salt stretches far across Bolivia.

Rustic natural hot springs in the deciduous rain forest.

A former French military respite turned jungle tourism hotspot.

The former Naval shipyard is open for exploring - mostly.

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

California's own medieval Italian castle, authentic down to the 300-year-old iron maiden in the dungeon.

The central mosque of this Mali town is entirely built from mud.