These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

The second largest reclining Buddha in the world got "lost" for over 120 years.

This gem-encrusted temple is said to contain some of the Buddha's hair which can make the deaf hear and the blind see.

Caves full of Buddhist statues, incredible rock formations and a deserted lagoon.

A curious cave church carved into the face of a cliff.

There's a mini version of Iguazu Falls hidden in the Balkans, and it's got a rope swing.

Bridge that died in war and was resurected.

The sad remains of a monument to martial arts legend and movie star Bruce Lee—in the middle of Balkans.

A former bank seized as a sniper vantage point during the Bosnian War is now a secret graffiti art gallery.

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

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

This ironic war memorial thumbs its nose at a campaign of inedible humanitarian aid food products.

This historic cemetery was inaccessible for several years due to dozens of land mines.

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

This historic timepiece is thought to be the only public clock in the world that keeps lunar time.

Oriental bazaar in the heart of Sarajevo.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

Two distorted Romanesque columns hold aloft a mine cart in honor of laborers who died during WWII.

A pair of connected skyscrapers form this symbolic gateway.

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

An exotic wildlife habitat right off The Strip.

One of the world's tallest Ferris wheels takes visitors high above Las Vegas in a spinning party room.

The world's oldest map of the holy land gives us a fragmented glimpse of the layout of biblical nations.