A former nuclear facility during the Cold War turned nature preserve.

Inside, ancient treasures. Outside, modern contradictions.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

The largest clock face in the United States is twice the size of Big Ben and infinitely more ad-sponsored.

One of the final grand railway depot hotel complexes is slowly being restored to its former glory.

This 4,000-foot-diameter hole is touted as "the most well known, best preserved meteorite crater on Earth."

This bridge over the River Cuale leads to a neighborhood that was once an escape for Hollywood's elite.

Beautiful public park off the beaten path and away from tourists.

This symbol of peace is appropriately positioned overlooking the Pacific Ocean.

A ghost town at the airport is now a refuge for blue butterflies.

Large but largely ignored, these 42 life-size Liberty Bell replicas were a peculiar, unexplained feature on the facade of a Macy's department store.

This modest marker near Notre Dame identifies the very center of Paris.

This demon atop the Notre-Dame de Paris looks utterly bored.

Walk upon the mementos of the dead in this Parisian courtyard paved with medieval tombstones.

Hidden away in a modern library are the remains of one of the 18th century's most celebrated wunderkammers.

A haunting collection of the vanished and disappearing natural world.

For patriotic Russians, this memorial honoring the Soviet soldiers who died liberating Berlin in 1945 is the most sacred location outside of Russia.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

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

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

A fascinating insight into daily life in the Eastern Bloc.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

One of the most elaborate displays of Jellyfish is on display at the aquarium.