The ancient tomb acts as a calendar that keeps perfect time.

A bronze sculpture in the heart of Portland represents Maine’s most defining industry.

Suspended from this brewery’s tasting room ceiling is a full-sized fin whale skeleton.

This nature mural exists to protect the surrounding environment and its own canvas from destruction.

An unusually designed bridge from the 1920s was built to withstand the tides and winds of Maine.

This massive solar system model is sprawled out across Maine's suburban wilderness.

Its unique collection details the history of the state's svelte railroads.

Five mythical trolls have taken up residence in woods and hidden on paths at the Coastal Maine Botanical Gardens.

The only remaining historic maritime signal station in the United States.

Abandoned Italianate architecture on the coast of Maine.

A monument marks the beginning of the longest north-south road in the United States.

This 19th century granite fortification is one of the most well preserved forts in New England.

The world's largest rotating world.

Accessible only by boat, this centuries-old island fort never saw troops or combat.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

Explore the dark underground corridors of this graffiti-covered former military fortification.

This tiny patch of arid sand sits in one of the greenest states in the United States.

This once-forgotten African American cultural hub was an important stop on the Underground Railroad.

A multi-storied adobe complex has been inhabited for more than a thousand years.

A clear blue swimming hole with hidden caves, still unexplored.

A museum dedicated to the alleged Roswell Incident.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

"I did this all while you were watching TV."