Massive fortress bastions in the desert of Cholistan.

A 17th-century mosque that was used for war more than worship.

These stairs were built to accommodate royals mounted on elephants.

This lost city belongs to one of the earliest civilizations in the world.

The world's second largest salt mine, said to have been discovered by Alexander the Great's horse.

Reputedly haunted sandstone necropolis with exquisite stone carvings.

This Las Vegas casino boasts one of only three spiral escalators in the United States—an engineering wonder.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Built in 1890, this is the last remaining wooden fire bell tower in the United States.

The building features one of the last remaining free-floating spiral grand staircases in the U.S.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

A 17-acre urban oasis featuring a pollinator garden, heritage trees, and an aerial tree walk.

Nestled between a college and a golf course, the garden is home to more than 2,500 rhododendrons.

Multiple waterfalls and several historic CCC buildings anchor this state park in Oregon's Willamette Valley.

10,000 flowered plants bloom in the City of Roses.

This sandstone mansion was the home of two of Oregon's most important pioneers.

A heavenly experience, right here on Terra Firma.