These delicate buggers are some of the rarest fossils that have bubbled up from the Tar Pits.

This frequently-photographed waterfall takes only a short hike to visit.

Take a drunken tour inside the world's largest known geode.

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

A library of rare occult books in Los Angeles.

An underwater city for the dead.

The rocks in this arid basin leave trails of movement behind them.

Olfactory delights in San Francisco's Botanical Gardens.

A breathtaking array of ancient Pueblo structures and artifacts counterintuitively preserved by neglect.

Crypt mausoleum in cathedral's basement contains relics of third century Roman martyr, Saint Vibiana.

A museum befitting the city responsible for supplying the majority of the world's LSD.

A rare view of a preserved Victorian science museum.

A Pythagorean funhouse that tries, successfully, to prove that math is the coolest thing ever.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

A lush green oasis in the middle of Chicago.

Its buzzing collection honors vibrator history.

A prohibition-style speakeasy takes up residence in the last Victorian residence in Hollywood.

The first declared National Monument in the United States.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

A beautiful 62-acre Catholic shrine and botanical garden.

An emporium for the weird, creepy, rare, and just plain gross.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

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.

This shop for all your super spy needs hides an educational secret.