Half of a waterfall goes into the river while the other half seems to disappear.

An Amazonian hotel is the ultimate treehouse and provides stilt based accommodation.

This bridge is embedded with a giant steel dragon that breathes fire from its mouth.

This beautiful natural train tunnel is said to grant the wishes of visiting lovebirds.

Former meatpacking facility turned vertical farm and sustainable business complex.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Amelia Earhart's possible place of death.

Dramatic river bend surrounds a natural red-rocked pedestal.

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

One man's quest to save his town with a trail of record-breaking sculptures.

This 1,300 year old monastery built atop a single rock was once only accessible depending on the whims of the tide.

The glowing blue Nymphaeum of Emperor Tiberius.

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

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

The largest stone moai on Rapa Nui.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

A massive underwater sinkhole made famous by Jacques Cousteau.

Home to a protest movement, a bombing, and a dramatic change in labor history.

A medieval village holds a very modern hotel.