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.

Ten 25-foot-tall, beehive-shaped kilns, abandoned in Death Valley.

This old mining town, deep in the California desert, has a year-round population of one.

A lawless town deep in Death Valley was famous for its riches and death rate turned YouTube famous.

Travelers leave tea kettles in a remote part of Death Valley as part of a mysterious, decades-old tradition.

A hard-to-reach oasis in a desolate corner of Death Valley National Park.

The rocks in this arid basin leave trails of movement behind them.

The holes in this wall provide a glimpse into Jewish life in Budapest, both past and present.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

Electrical curiosity museum housed in an old transformer station.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A triumphant marble and bronze fountain depicting a 15th-century Hungarian king and his hunting party.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Once the home of a hermetic monk, this cave now houses a small church.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

A unique work of automotive art calls this shopping center home.

Beautiful views and Roman-style statues on the Italian coast.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

A crumbling watchtower and a lighthouse overlooks the site believed to be the Sirens' cliff in the "Odyssey."

The glowing blue Nymphaeum of Emperor Tiberius.

This clifftop arch is a natural stunner.