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

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

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

Rainbow-hued local gem in Venice.

A hands-on traveling collection of the innovative devices of yesteryear.

A beautiful geyser under environmental threat.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

Its buzzing collection honors vibrator history.

This modern antique shop is a museum for 1980's Saturday morning cartoon culture.

This abandoned amusement park was built on a site with a dark history.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

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

The first declared National Monument in the United States.

Stepping away from the glitz of mobsters and casinos to learn about the other history of Vegas.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

A New York garbage depot holds a secret collection of weird and wonderful refuse.

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

Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

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.

A trash dump made beautiful by nature's power.

The site of the climactic scene from the classic horror film is now a historic landmark.

Eighteen miniature death-scene dioramas.

Mysterious rocks that ring musically when struck.