Oriental bazaar in the heart of Sarajevo.

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

The place where World War I began.

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

A harrowing sculpture commemorates the four people shot down during the workers strike of 1842.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

The red letters in the literary pavement leading to the library form a mysterious code.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

The house in the middle of the motorway.

The Liverpool street made famous by the Beatles is real.

Semi-precious Blue John stones have been mined in this cavern system for centuries.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.

An abandoned set from the 1980 film "Popeye," claimed and repurposed as a theme park by creative locals.

Every equinox this Maya pyramid puts on a spooky ancient light show.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

The oldest inn in England served brew to the crusaders.

On the Hudson resides one of the largest clocks in the world.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

A popular European tradition makes its way to the states on one of America's most famous bridges.

Try not to get slimed in Tribeca.

Constructed from recycled wrought iron railroad tracks, it's been described as the most beautiful seaside pier in England.

One of the few surviving street funiculars in the world.