Residents of this seaside village are building a miniature 1:10 scale version of their historic town.

This picturesque lighthouse at the edge of the Irish Sea looks like a giant stone pencil.

A frozen relic of Seattle's hydroelectric boom is now a teaching facility for future engineers.

Island ghost town detailing Flagler's folly in building the Overseas Railroad.

A sculpture of 18 beautiful clay mandalas on display at Warm Mineral Springs in Florida sends a message of world peace.

A hidden beach at the end of a tunnel of mangrove trees.

Mariners once used this prehistoric landfill as a navigational landmark.

The only Native American museum along the Oregon Trail, run by the peoples who have lived on the land for generations.

This medieval village/restaurant perpetually celebrates the year 1376.

A whimsical village of unique treehouses resides in a Washington forest.

Not far from Mount Rainer, an iron wonderland claims the landscape.

This impressively large collection includes crackers shaped like Jimmy Carter, Mickey Mouse, and more.

A cave interior in the shape of the ancient rhinoceros, created by lava cooling around its carcass.

A 1940s nuclear reactor built to produce plutonium for the Manhattan Project.

The trunks of 3,000 year-old trees lurk beneath the surface of this crystal clear lake in Oregon.

The eerie remnants of an ancient forest were hidden under the sand for centuries.

An institution that preserves the history of institutionalization.

1920's mining camp and environmental education center is serving to protect the surrounding forest, one of the last of its kind in the Pacific Northwest.

An obscure waterfall that looks like something out of a fantasy novel.

Hollowed out cedar log tubs set in an ancient towering forest.

Two massive rock outcroppings on the Oregon coastline.

This Oregon farm is dedicated to teaching people the professional art of tree climbing.

A plaque commemorates the spot in the Oregon woods where the first-ever Geocache was hidden.

According to legend, you must remain completely silent while passing this man-made mound or suffer the consequences.