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

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

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

Tourists often confuse this beautifully ornate former cigarette factory for a mosque.

Fantastic views and thousands of love locks.

Carved fountains poignantly placed in parks and in front of special monuments.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

These former Nazi anti-aircraft towers offer a singular view of the north of Berlin in the summer, and a sanctuary for bats in winter.

Berlin's old airport.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

A former infectious disease laboratory chronicles how tuberculosis shaped a village nestled in the Adirondacks.

One of downtown Berlin's last reminders of its Communist past.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

Home to the only outdoor municipal elevator in the United States.

Lie in a hammock where George Washington stood.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

The former Naval shipyard is open for exploring - mostly.

The only road through the heart of Glacier National Park.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

Love, knishes, and best wishes from this legendary Lower East Side bakery.

Chevron maintains one “Standard” brand station per state so it doesn’t lose the trademark.

The most beautiful Taco Bell in the world even has surfboard parking.

Spectacular views await visitors to this lake.