This 45-story tall abandoned skyscraper is the third tallest building in New Orleans and Lousiana.

These eerie outliers of the lightning bug family glow a mysterious blue color.

This abandoned hospital is one of the most haunted places in Costa Rica.

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

One Costa Rican island is so beset by illegal shark poachers that the local rangers have built an entire bridge with their confiscated gear .

A secret climbing tree hides along the side of a Costa Rican road.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

This Costa Rican topiary park is a surreal garden of unearthly delights.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

Located in the mountains of Nicaragua, one man has spent most of life beautifying a massive cliff by hand.

A crumbling cathedral condemned by an earthquake.

Volcanic activity causes small pools of super-heated mud to boil furiously.

The youngest volcano in Central America.

A legendary tree towers within its own vibrant sanctuary.

This risky summer festival honors a historic volcanic eruption.

A Mayan village preserved for centuries in volcanic ash.

This granite rock face is named for the magnificent reflection that occurs when the sun hits it just right.

North Carolina's finest examples of Native American pictographs have survived for 5,000 years.

Famous for its bio-luminescent inhabitants, known as "Dismalites" .

Abandoned for 60 years, this submerged bridge was completely forgotten until the lake was drained.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

The first full-scale tunnel built in America is short but scenic.