An enchanting natural wonder in Puerto Rico's Camuy River Park.

This former sugarcane transport tunnel is now a portal to a lovely beach.

This niche museum devoted to ancient religious artifacts is shaped like the very thing it displays.

The largest collection of medicinal plants in Australia is also home to a witch who will show you how to use them.

Bat house that has only ever housed bat for one night; they all flew away and never came back.

An octet of classic chrome trailers speared into the ground act as a tribute to the silver bullets of the open road.

Gutted airplanes slowly decay in a Florida field.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

This historical art colony is adorned with thousands of hand-carved concrete sculptures in the Mayan Revival style.

This concrete sculpture features a woman opening her heart to showcase a beautiful fern.

Dedicated to the victims of one of the deadliest hurricanes to strike the United States in recorded history.

Though it may look like it’s missing its outer shell, this skeletal cast-iron tower was built to withstand wind and waves.

These constructed wetlands naturally filter millions of gallons of treated wastewater every day.

These simple structures are living monuments to the fishermen who built this community over a century ago.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

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

This abandoned bridge is now a favorite haunt for graffiti artists.

These mysterious ruins are hidden amid this sleepy coastal city.

Every January 6, young men dive into Spring Bayou in search of a cross and a year's worth of maritime blessings.

This sidewalk monument honors more than 50 civil rights activists who helped change the face of America.

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

A sculpture of 18 beautiful clay mandalas on display at Warm Mineral Springs in Florida sends a message of world peace.

Decorative shell walls built in the 1940s sit atop an ancient midden created by the Calusa Native Americans.

A gaudy painted elephant stands in memory of south Florida's fallen carnies.