The water swaps direction twice a day, whipping into a frenzy of whirlpools and rapids.

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

A shrine built to combat the bad karma of a commercial venture.

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

A dead saint, a deadly poison, and a mysterious holy ooze.

Underground tunnels once home to crime are now back open to the public.

A historic freight system that found the true gold rush is in tourism.

This abandoned Olympic skiing facility still bears the scars of the Siege of Sarajevo.

For centuries young Thai men used this Giant Swing as a slingshot to heaven.

Oriental bazaar in the heart of Sarajevo.

A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

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

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

Hoodoos, naturally eroded land formations, stand 20 feet tall in the Canadian badlands.

The Habsburgs' royal collections of art and wonders.

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Bridge that died in war and was resurected.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

A tunnel of hardened lava along Maui’s famous Road to Hana.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.