Elevated freight railway turned wildly successful urban park.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A terrific purveyor of natural history objects and curios.

Along a California highway is a kind of Jurassic Park made of metal.

At this deceptively beautiful beach, nothing is what it seems.

An off-grid art installation that encourages its visitors to imagine a world without waste.

This abandoned Navy base was transformed into an off-grid alternative living community for thousands of people.

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

The sea once considered an ecological wasteland is now called "crown jewel of avian biodiversity" by scientists.

A desert ghost town—occupied for only 12 years—was once home to more than 500 silver mines.

Like a kitschy mirage in the Mojave, this eatery serves up classic 50s-style diner meals and a dinosaur sculpture garden.

A pair of giant roadside arrows are all that remains of a former Route 66 trading post.

A mysterious spirit totem at the edge of Navajo lands.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

Once the fallout shelter of a dictator, this sprawling bunker is now a combined history museum and contemporary art gallery.

Marta Becket's hand-painted theater in the desert.

"Only the devil could play golf here."

The lowest point in North America is home to an undrinkable pool surrounded by fields of geometric salt flats.

This crumbling Death Valley mining complex was known for its use of giant, 20-mule team wagons.

A massive hydrovolcanic explosion left a half-mile wide crater in Death Valley.

Millions of years of oxidation make a drive down this winding Death Valley road surprisingly colorful.

A land of debatable treasure.

The most magnificent bottle house in a town strangely full of them.

Twelve plaster figures inspired by da Vinci's famed painting haunt the desert landscape above a real-life ghost town.