This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

This Elizabethan hedge maze is one of only six in North America.

Traditional 15th century Chinese garden in the middle of Vancouver.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This large midwestern cavern features impressive rock formations and an underground waterfall.

A pop-culture attraction outside of Dyersville, Iowa, hits a home run.

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

A unique botanical garden housed in three giant geodesic domes.

A giant, Gilded Age mansion that once belonged to the beer baron of Milwaukee.

An unlikely beach paradise of giant sand dunes lies between two lakes just a few minutes from Michigan's cherry country.

A sprawling museum filled with larger-than-life works of art.

This elaborate estate contains a stunning marble aviary, a sunken conservatory, and a magnificent music room with a two-story pipe organ.

This library and museum is dedicated to the life and literature of the Indianapolis native author.

A hidden network of subterranean passageways lies tangled beneath Indianapolis' bustling City Market.

A speakeasy takes on Chicago's drinking culture.

Internationally known record store and purveyor of "dusties."

The subtle science of a master molecular gastronomist.

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

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

The 30,000-volume library is one of the world's most impressive poetry collections.

Over 1,000 pieces of one of the most niche art objects imaginable: the glass paperweight.

An outdoor urban gallery of large-scale artworks by the world's most influential street artists.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.