An earthwork sculpture built by Robert Smithson in the Great Salt Lake only reemerges during drought.

Jurassic Park—A Still Life.

This concert pavilion on the shore of the Great Salt Lake has been destroyed by fire, water, and disinterest but keeps coming back.

This former wildlife sanctuary is being transformed into an art park.

This geothermal hot spring hides beneath a slowly growing mineral dome.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

A small flooded ghost town with a few scattered structures remaining.

In the heart of Brigham Young's promised land sits a festering plot of industrial ruin that has been claimed by society's outcasts.

This former Mormon settlement is reemerging from the receding waters of Lake Mead.

An old railroad grade built for the construction of Hoover Dam is now a recreational trail featuring several tunnels and sweeping views of Lake Mead.

Railroad came. People came. Railroad left. Town died.

The highest point in North Carolina and the United States east of the Mississippi River, Mount Mitchell is named after argumentative explorer Elisha Mitchell.

A mountaintop space observatory that is certified dark.

The scuba diving training facility was named for the steam that rises from the cave's chimney.

Tokyo’s only Vaudeville-cuckoo clock–steampunk-Victorian curio cabinet time piece.

The largest self-built castle in the U.S., six decades in the making.

Florida might be at its most surreal in this museum devoted to the famed Spanish artist.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

The world's longest known cave system.

A submerged archeological park still holds the wonders of a Roman Sodom.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

A hand-built folk art installation covered with messages of God's love.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.