An Alaska livestock farm devotes itself to harvesting wool from creatures that once ran with mammoths and sabertooth tigers.

This small city where almost everyone lives in the same building can only be reached via North America's longest tunnel.

Colorful boxes placed over the dead are left to rot and crumble.

This church on a Tohono O'Odham reservation has stood since 1797.

After a short-lived attempt to bring America in line with the rest of the world, this road was left in metric.

Take a monster truck tour around an ostrich farm in the middle of the desert.

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

A natural history wunderkammer in the middle of the desert.

The world's largest military aircraft cemetery.

Limestone caves with spectacular showcase chambers.

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

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

A wall of chewing gum moonlights as collective art.

An exercise in patience and imagination, where Mother Earth turned common stuff into precious hidden treasures.

This metallic stampede sits frozen on a Washington ridge yet the artist's vision is still incomplete.

The decorations were inspired by an unlikely missing treasure.

Local legend has it that an old, decaying staircase outside this cemetery is haunted by dozens of ghosts.

This playground sculpture of an icon from the past is dedicated to the children of the future.

A wild west land agreement was etched right onto this historic Idaho stone.