Come for the speed, leave in love with the desert.

A 90-foot-tall psychedelic "tree" on the side of the highway has baffled passersby for decades.

Bad farming practices caused this unnatural natural wonder.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Located inside Hoge Veluwe National Park, this museum began as the private collection of a prominent female art collector.

This large open-air museum showcases the ordinary lives of the people of the Netherlands and pre-industrial crafts and practices.

Watch the local Netherlands birds from inside this giant eco-egg.

The attic of a four-century-old canal house hides a clandestine church.

Though it's unclear why it's there, the lifelike sculpture of the giant lizard is oddly charming.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

Japanese gardens dedicated to the Japanese farmer that refused to throw in the trowel.

The only Florida state park with publicly accessible caves.

People have been placing babies on these lilies for photoshoots since the Victorian era.

This 11th-century castle sits so low you can't see it behind the surrounding buildings.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

This protected reserve is home to a rare and beautiful species of flower.

Tucked away in the forests of North Florida resides a 19th-century lighthouse.

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

Hundreds of wooden coffins dangle from cliffs and caves in the Philippines.

Yup, that's a 330-foot yacht passing over the highway.

Ecuador's largest Incan ruins show evidence of sophisticated irrigation and diplomacy among the ancient builders.

The remains of an ancient settlement in one of the oldest archeological sites in South America.

This small uninhabited island offers Galapagos-like biodiversity.