These free-roaming horses were once destined to disappear from the land.

Religious statues built because of one man's bargain with God fill this peaceful sculpture garden.

One of the oldest Mexican restaurants in the United States air-dries its trademark beef in a dangling outdoor cage.

This iconic 1958 tower welcomes air travelers to Tucson with neon-lit letters and architectural style.

America's only nuclear missile silo open to the public.

The fading, forgotten remains of a once bright and booming factory.

Legend says train robbers stashed their gold within the depths of this unusual cave.

The Jewish section of the famous Boothill Graveyard was abandoned for nearly 100 years.

A wild west cemetery in Tombstone, Arizona, provides a window into the Old West.

Stairs often replace streets on the steep slopes of this old mining town.

Martin Bricelj Baraga's monolithic sculpture measures the blueness of the sky, and changes color to match it.

A whimsical bridge adorned with decorative dragons.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

Swarms of butterflies cannot compare to the awe inspired by the publicly-funded nakedness once displayed in this sunken garden.

An extraordinarily ornate museum in San Diego holds wondrous anthropological treasures.

A sculpture of the famous photograph stands on San Diego's "Greatest Generation Walk."

Europe's largest prehistoric mound – burial site of a legendary king?

The geoglyph once sported a glass bottle eye.

The largest stone circle in the world has ended up bringing up more questions than it has answered.

Famously misunderstood wonder of the ancient world

This one has sailed five times as far as Sir Francis Drake's famous ship.

Ship-sized kinetic sculptural fantasy.

A famous burial ground with a history both grim and literary.

Hear the quietest sound from across the dome.