A celebration of capitalism in Midtown.

An illegally built ramshackle mansion tucked in the middle of Brooklyn is now being turned into condominiums.

This former crime corner has been turned into an eclectic community center.

This innocent-looking townhome is actually a subway exit.

One kilometer of thick brass rod laid out before your eyes.

Blighted Irish field and the ruins of a 19th-century cottage on the edge of urban Manhattan.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A historic 1890s architectural masterpiece with an iconic clock tower that, once open to the public, now faces an uncertain future.

Stroll through a wonderland of stupendous moss-covered trees.

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

Native American burial mounds? Giant gopher dens? No one knows what created the Mima Mounds.

A bike being "eaten" by a tree is the real Vashon legend behind popular children's book, "Red Ranger Came Calling."

A huge musical sculpture and other art installations on the National Oceanic and Atmospheric Administration grounds.

A Boeing mechanic and his wife leave a whimsical, stone sculptured garden as their legacy.

A wall of chewing gum moonlights as collective art.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

An optical illusion found amid a logged redwood forest.

This massive redwood tree has a hole in the base big enough to drive through.

An underground mansion with fruit-bearing trees and grapes growing beneath the surface of central California.

Experience Larry Spring's self-taught "common sense" laws of physics.

Under the right circumstances, this waterfall in Yosemite briefly turns a luminescent fiery orange.

A trash dump made beautiful by nature's power.

It's not your typical library, memorial, or book store.