This advertisement for talcum powder was painted on the rock face and has since defied removal.

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

Constructed from the ruins of a former glass factory, this park incorporates the old with the new.

The final resting place of the businessman-turned-astronomer who helped discover Pluto stands near his observatory.

This 252 step staircase offers stunning views of San Jose.

This park pays homage to the region's rich industrial history of brick making.

The only geyser in the state of Pennsylvania is caused by pressure from an abandoned coal mine outside of the ghost town Centralia.

Artist James Turrell's ode to dawn and dusk on the campus of Rice University.

This is the last hand-cranked chain ferry of its kind in operation in the United States.

In this quiet park a rendition of a classic painting graces the outside of a charming restroom.

This massive home was constructed by one of the greatest conservationists in Colorado history.

This 19th-century museum inside of a lighthouse is only accessible during low tide.

Every summer West Seattle experiences a housing bloom.

A small canyon with petroglyphs and a seasonal waterfall, only a short hike from the remnants of old Route 66.

A magnificent, reportedly haunted mansion built for a composer by Spiritualists.

The site of the worst mining disaster in Ohio's history.

Nature and art meet in this curvy creation

Centuries of crashing waves carved out this small hole in the rock, which lights up at certain parts of the year.

A porcelain company's former dumping ground, completely covered in pieces of collectible ceramics.

A garden full of metal sculptures that celebrate the double bass.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

Thomas Jefferson's estate is home to hundreds of varieties of historic fruits and vegetables.

This national park dedicated to the tallgrass prairie ecosystem still displays its military past.

This New York estate was designed to resemble a medieval Scottish castle.