The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

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

A burnt orange monolithic dome structure perched on a hillside near Interstate 280.

The miraculous hydrant that saved the Mission District in 1906.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

An essential stop before plundering, BYO Cutlass.

A shop full of natural curiosities, carnivorous plants, and costumed taxidermied mice.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

Just a man taking his prehistoric pet for a stroll.

Advice-columnist's bell tower, paid for with pennies.

The bones of an old zoo crumbling in the shadow of a new one.

Journey up the capitol building's cupola for an amazing view of Topeka.

This historic church is named for abolitionist Henry Ward Beecher and the ruse to arm his fellow abolitionists.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The fictional star of "Breaking Bad" is memorialized with a real-life gravestone in his hometown.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

An immersive environment that is part haunted house, part choose-your-own-adventure, and part jungle gym.

The ancient dwellings of the Puebloans, located in the cliffs of majestic mesas.

A small metropolis of Pueblo cave dwellings have been carved right into the hillside of this national monument.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

The hike through a narrow river flanked by the 2,000-foot-tall walls of Zion Canyon is one of the best in the world.

Giant, natural amphitheaters made of delicate geological formations called "hoodoos."