The world's most active stratovolcano is almost always erupting.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Site of one of World War I's most horrific scenes.

Romania's triumphal arch looks out over Bucharest.

Oriental bazaar in the heart of Sarajevo.

An apparition of Virgin Mary in Herzegovina.

Bridge that died in war and was resurected.

Longest fortress system anywhere in Europe.

Gargoyle head that brings good luck.

An ancient knight and a symbol of the city's freedom.

This bazaar is one of the oldest in the Arabian world.

This centuries-old tree tells an unusual tale of vegetation and fertility in the desert.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

A "gravitational anomaly" located in the redwood forests just outside of Santa Cruz, California.

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

The largest free-standing aquarium in the world resides in a hotel lobby in Berlin.

Berlin's old airport.

Metro station with a claim to rock n' roll fame.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

A little sculpture with a large wardrobe.

The rusting remains of the largest assembled WWII fleet on the West Coast.