A number of craters left by fatal mortar strikes have been filled with red resin to remember those lost during the Siege of Sarajevo.

The place where World War I began.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

A war-torn Olympic relic is being overtaken by graffiti and nature.

Bridge that died in war and was resurected.

Senators used to relax in the nearly forgotten marble tubs now hidden in the U.S. Capitol Building's basement.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Ninety years of Sydney buses under one roof.

This odd 1930s shop remains stranded in time and shrouded in mystery.

Thanks to a spelling mistake this bizarre beaver-tiger hybrid became the symbol of a Siberian town.

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

Yo, Adrian!

The monument's pointy aluminum tip has been melted down by repeated lightning strikes.

The 20-mile causeway that separates the Netherlands from the sea.

One of England's most famous churches hides a pair of little known architectural treasures.

Moscow's other, lesser known kremlin is a fairytale-like cultural complex modeled after Old Russia.

A full-size replica of this well-preserved temple lets you take a walk through the Mayan age.

The masses at this church incorporate enough moonshine and animal sacrifice that they are no longer recognizably Catholic.

The famous artist couple lived and worked here, in two different houses separated by a bridge.

The largest necropolis in the Southern Hemisphere.

A focal point of the Cuban government, this city square features one of the most iconic images in the country.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

This mysterious structure by the Washington Monument is a flood barrier designed to protect the White House against rising waters.