Not-so-fearsome tiny trolls live under this wooden train trestle in Portland.

A heavenly experience, right here on Terra Firma.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

At Washington's Dulles Airport is a satellite museum (no pun intended) with three quarters of a million square feet of aircraft history.

A museum within a museum, devoted to history's most questionable medical devices.

This secret gem of a toy store houses a rideable carousel populated with fantasy animals.

Hidden in magnificent rolling countryside, see what may be the largest modern stone circle in the world at Wisconsin's very own "Stonehenge”

Farms are serving pizza made from their own fresh crops, a growing trend in the American Midwest.

Over thousands of years, this slot canyon was carved out of the bed of an ancient lake.

These molds for fiberglass statues have formed an eerie, accidental sculpture park.

The installation’s official name, “You Who Are Getting Obliterated in the Dancing Swarm of Fireflies,” says it all.

This whimsical sculpture garden is a local treasure.

A circus of light and sound forms a sensory ode to an iconic train that will never pass through town again.

Six tiny houses built for working class people form the largest intentional cluster of Wright homes anywhere.

A forgotten Cold War relic hidden in the outskirts of a Wisconsin city.

A stone marker memorializes the spot where the King broke up a street fight with a classic karate stance.

More than 5,000 contemporary and "historic" mustards from around the world.

The arboretum whose marshy soil sucked up the dreams of housing developers.

A bizarre house filled with an astounding array of collections.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

The seamy, underground secrets of Portland's criminal past.

A collection of colorful dinosaurs hidden in an actual rainforest.

Only known mainland rookery of the threatened Stellar sea lion.

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