Massive series of 45 caves and over 51,000 sculptures carved from cliffsides in China.

The only road through the heart of Glacier National Park.

Meet the world's longest tapeworm in a collection that really gets under your skin.

A castle that was built stone by stone by an eccentric journalist.

Delve into a wealth of oddities, antiques, and taxidermy treasures.

A nursery specializing in strange and beautiful succulents and cacti.

Contemporary art inspired by natural history and science drawing on ancient techniques in a modern world.

Penn State's giant bug collection.

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

A chapel on a volcanic core, marking the end of a successful journey.

A precariously perched golden rock defies gravity and brings pilgrims from across Myanmar.

The largest and most famous wax anatomical collection anywhere in the world.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A gargantuan crystal kingdom.

Once the path of a railway tunnel, now home to thousands of glowing insects.

The world's largest bioluminescent area was undiscovered by science until 2005.

Tubing through a cave lit with glowworms is a magical underground experience.

The world's brightest bioluminescent bay.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

Have fun at the world's first Buddhist waterslide park.

Aqueducts have dramatically changed this old lake, now home to tufa towers and its very own species of tiny brine shrimp.

An eclectic trailer park retreat in the middle of the California desert.