A monument to the three wars that led to German unification towers within a Berlin traffic circle.

A fitting attraction for the corn capital of the world.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

The oldest farmer's market in America is so ancient it was approved by the King of England.

The iconic remains of the original Academic Hall that burned down in 1892.

Two Ming Dynasty lion statues guard the entrance to the journalism school.

The obelisk meant to mark the founding father's grave at Monticello is actually on the University of Missouri campus.

Curious cave that stays a cool 56 degrees all year long.

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

The site of the Wellington avalanche, one of the America's worst railroad disasters.

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

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

The highest point in Washington state is a volcano covered in glaciers.

A fine, large-aperture telescope available for public use.

An outsider art duo's yard has been turned into a whimsical public gallery.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

The longest continuous lava tube in the continental U.S. offers 2.5 miles of dark explorations for the adventurous.

Tasked with beautifying a disused stretch of industrial land one artist filled a hole with grass.

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

A rotting tree in the middle of Seattle doubles as an elaborately-controlled art piece.

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