The largest tidal whirlpool in the Western Hemisphere.

This uninhabited island in Maine is home to various works of art left by visitors over the years.

Toy museum in a former tavern is the expression of one man's life pursuit of the aesthetic power of cartoon imagery.

The world's largest rotating world.

Maine's oldest diner also happens to win acclaim for its elevated comfort food.

This colorful theme park dedicated the official fruit of Maine serves sweet, tasty treats.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

This small museum contains fossils from an era when Kansas was underwater.

Enjoy a tour of oddities and makeshift monsters at this souvenir store with an offbeat sense of humor.

One of the oldest continually operated libraries in Kansas.

A Jurassic artscape composed of transmission casings and other mechanical parts.

The United States's largest hand-dug well is topped with a state-of-the-art museum.

A wonderful collection of all things Oz is nestled in the heart of Kansas.

A single artist is behind these large-scale models made of hundreds of thousands of two-inch wooden matchsticks.

An old town theater converted into a celebration of the hobo legacy.

This tiny site in Iowa, part of a patchwork national wildlife refuge, is home to ancient flora and fauna.

A place of great reverence for Trekkies everywhere, a hero's future birthplace.

Rifle through images of skyscrapers, Worlds Fairs, and more in the largest public postcard repository in America.

Where dioramas can follow you home.

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.

One of the largest pieces of scientific equipment ever carried on a NASA space shuttle sits in a Chicago alley.

A Japanese temple, old German townhouses, and public chess tables offer a peaceful escape from the bustle of the North Side.

A 400-foot-tall tall map of Chicago makes this once-ignored building stand out.

This historic house museum that celebrates one of the world's most influential social reformers is also one of the most haunted locations in Chicago.