Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

The first patented shaved-ice machine heralded a snowy wonderland of iced treats at a favorite New Orleans summer shack.

Over the dunes of the Empty Quarter, the mysterious music of the desert.

The oldest surviving mosque in the UAE has mysterious origins and unusual architecture.

No building in the world leans as far as the so-called “Leaning Tower of Abu Dhabi.”

Whitewashed mosque contains the world's largest carpet.

On any given day this sprawling market houses literally tons of government-regulated gold, gems, and precious metals.

A preposterously luxurious hotel with gold-plated iPads, Rolls Royce chauffeurs, and a staff that trains by watching "Downton Abbey."

This artificial archipelago was supposed to resemble a map of the world.

This indoor ski resort has a mountain contained inside a mall.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

A spoke-tacular artwork constructed from recycled bicycle rims.

When the big city meets the edge of the frontier, log skyscrapers are born.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Two rocks in a perpetual kiss and one of "the most romantic spot in America."

Genesis of modern hydroelectric power.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

An overlooked memorial honoring the local Washington residents who died in World War I.

Look closely and you’ll notice that the color changes a third of the way up the tower.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

There’s a hidden military meme engraved on the World War II Memorial.

A beautiful footbridge with over 2,000 glass sculptures along the walls and ceiling.