Concrete strongholds stand guard over the Golden Gate.

A sparse, solitary sequoia still stands as a living tribute to the famous conservationist who planted it—but it's dying.

The century-old bell and clock tower at UC Berkeley is the third-tallest in the world, and has fossils.

Where a staggering 747 ships were constructed during World War II.

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

A 90-acre park on former landfill that hosts an annual kite festival.

A giant granite cross remembers missionary Father Frederic Baraga, and his safe passage across an angry Lake Superior.

The first hand-illuminated, hand-written bible since the invention of the printing press.

After four years of grasshopper plagues, this chapel was erected as a plea to God to make them end.

Find out what it sounds like when doves cry at Prince's recording studio estate turned museum.

The home where a lovestruck Fitzgerald wrote his first published novel, "This Side of Paradise."

A collection of pianos and more guaranteed to delight anyone interested in music history.

Each year, one talented artist puts on a show sculpting twelve butter-based busts of dairy princesses.

These curious caverns have been home to mushrooms, gangsters, and disco.

Experience a charming 1930's version of "infotainment."

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

A blacklight mini-golf fever dream pays tribute to the iconic rock band.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

The Laureates here get something even more coveted than a Nobel Prize: free parking for life.

An "anarchical" no man's land, complete with garbage sculptures and a hobo-run "Landfillian Library."

An amazing collection of sculptures and art.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The rogue roots are gradually consuming some of the historic marble grave markers.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.