As the Dead Sea continues to deplete, massive sinkholes open along its banks.

A magical oasis in the middle of the Negev Desert.

A "miracle" that seems to produce more holy fistfights than holy revelations.

This daunting 1st century fortress was purportedly the site of one of the most dramatic revolts of the Jewish-Roman wars.

The home of the Dead Sea Scrolls is an abstract modernist dream.

The bluer than blue waters in these natural Israeli caves are reached via the world's steepest cable car.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

A stunning Victorian abbey and walled garden on a lakefront.

Petrified footprints of one of the very first vertebrates to walk on land.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Cold war icon and onetime "hole" in the iron curtain.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

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

The most visited, and possibly most controversial, museum in Germany.

Moscow's most popular cemetery includes the graves of numerous cosmonauts.

Former headquarters of the KGB.

The gorgeous entrances into the city's underbelly look more like grand halls than subway stops.

A golden plaque marks the site of the mysterious unsolved assassination of the former Swedish prime minister.

It houses the remains of a 17th-century version of the Titanic.

Stockholm's decidedly unique public transit system has doubled as the world's longest art gallery for decades.

Straight out of a nightmare, barcode-faced babies climb up and down Prague's television tower.

Monument to a suicide protesting the Soviet invasion.