Human remains in varying states of decay are strewn about this Texas State facility for scientific study.

Some islands... they come, they go, especially on Lake Travis.

This beautiful grotto is one of those places where you can't believe you're just outside Austin.

This former Texas landfill is flush with 300 million-year-old fossils, all fit for the taking.

A Texas cave network is home to some of the world's most spectacular-looking and bizarrely named mineral formations.

This sacred cavern, 400 feet deep, is home to millions of bats and an ancient burial ground.

Visitors can walk over the largest concentration of Columbian mammoths to have died from one event.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

A popular swimming hole that hides one of America's most deadly diving spots.

An emerald-green grotto just a short trip from Austin.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Hidden in the plaza next to a pizza shop is an amazing little oddities shop.

Found: Garden of Eden in Miami-Dade County, Florida.

This video store is a horror buff's dream.

One of the best places in Florida to spot rare, carnivorous pitcher plants.

The highest point in Florida is still the lowest high point in the country.

The giant squid's 27-foot-long corpse lies preserved within a Sarasota aquarium.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

A peaceful, unique botanical garden complete with waterfalls, mini islands, and swans.

Visitors are welcome to enter this lush Key West sanctuary to entertain its plethora of rescued parrots.

The so-called "world's shortest river" is actually a window into a cave.

The first custom-designed building to showcase the works of Dale Chihuly is a wonderland of glass and light.

This fairytale-inspired cottage was created by a university literature professor.