Amazing pre-Civil War ruins alongside a shallow, rocky river that hosts beautiful (but endangered) lilies.

Upside-down trees serve as natural flower pots in this hanging garden of Alaska.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Direct, creative challenge to Mother Nature's winter wrath.

A seemingly endless landscape of pure salt stretches far across Bolivia.

105-foot wide giant metallic flower blooms anew every day in the heart of Buenos Aires.

World's largest crossword puzzle spans the side of a towerblock, its clues scattered throughout the city.

A Hawaiian stairway to heaven—that you can't climb.

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

This gravesite in the Amazon Rainforest was left behind by a failed Third Reich expedition.

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

Off-limits and full of venomous pit vipers, Brazil’s Snake Island has a frighteningly apt nickname.

A beautiful opera house in the heart of Amazonia has recently restarted performances after a 90-year hiatus.

Dr. Farid Mattar's Monument of Peace.

Ruins of the laboratory where a mysterious doctor invented an embalming fluid and stored his mummies.

Part of one of the largest flooded cavities on the planet, and littered with prehistoric animal bones.

Now containing the bones of the actual conquistador, instead of someone else.

The largest traditional Chinese medicine market in the world sells ingredients that may make you squirm.

Mysterious "dots" seen from a satellite in southeast Peru.

An abandoned Incan construction project left behind a mysterious "doorway."

A palatial art deco restroom.

A warm desert spring holds one of the rarest species on earth.

Remote town home to Himachalis, Israelis, and tons of hashish.

Single runway interrupted by a busy road that cuts across its middle.