This Florida sinkhole hides a rainforest-like micro-environment in its depths.

North Central Florida's largest flea market and a weekend roadtripper's dream.

This whimsical outsider art wall holds tiny treasures donated by the local community.

An icon among Florida's pre-Disney tourist attractions.

Disney's abandoned animal island is now an overgrown ruin that was almost the coolest attraction ever.

Recycled junk and fishing buoys litter the yard and facade of this bait shop cum art project.

This 15-foot tall obelisk commemorating the Philadelphia-Baltimore railroad connection sat neglected for over a century.

The largest brick bridge in the world.

Contrary to what one might expect, ice forms inside this small cavern during the summer and melts during the winter.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

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."

This small museum gives visitors a chance to soak up the history of the "sponge capital of the world."

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

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.

Welcome to old Florida, where a 1940s mermaid show is still enchanting visitors.

In Florida, these naughty monkeys live on their own mini-monkey Alcatraz.

Meet manatees face-to-face at this zoo for native species.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

Two World War II aircraft lie within the jungle around this abandoned runway.

A partial tunnel blasted into a steep ridge is all that remains of a failed railway across Arizona.

A building so large that it has its own weather.

A museum preserving one company’s history of preserving food.

Canada's first pet cemetery is now abandoned.