This municipal playground was co-created by the father of one of the most playful characters ever.

A pair of disused Los Angeles electrical poles now glow with delicate windows into the past.

A gap in the concrete has been transformed into a miniature playground for the mind.

Explore more than 130,000 new and used books in the "world's largest outdoor bookstore."

Travelers exchange letters with woodland creatures at this mini post office.

A non-native grove of 241 redwoods in Southern California.

How this Pine Barrens hill got its name is uncertain, but on a good day the view from the fire tower is crystal clear.

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

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

A 60-foot-tall tower provides unparalleled views of the southern Green Mountains.

This art center is way beyond your average pumpkin-carving operation.

This corn maze so big you may want to pack a lunch, and possibly a flaregun.

This stave church nestled in the Catskills was built in the 1960s by a community of Ukrainian immigrants and refugees.

This historic franken-chapel is the oldest wooden church in the world, at least part of it.

This replica stave church looks like a piece of Norway was simply plopped down in South Dakota.

This fairytale medieval church in Poland originally spent centuries in Norway.

This museum is a full-size replica of an original church constructed during the 13th-century.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

Vikings and Evangelicals have both had a hand in this replica medieval church.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

You’ll feel like you’ve gone through the looking glass at this contemporary art museum filled with glass sculptures of every size, shape, and color.

From printing money to live music, this Beaux-Arts style building has had many identities over the last century.

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

No one knows how or why this painting appeared to produce crystallized tears.