An Australian lake whose pink hue defies scientific explanation.

Mirrors and glass shards cover every inch of this arrestingly beautiful mosque.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A swing to dangle you off the very edge.

A solitary tree has grown up all alone on Lake Wānaka, backdropped by the beautiful Southern Alps.

A 300-year-old tea shop that brought tea to the English people, not to mention the Queen herself.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

This massive collection of British military artifacts includes the heartbreaking personal letters of the men in the trenches of WWI.

A submerged archeological park still holds the wonders of a Roman Sodom.

Buildings from the fictional planet of Tatooine still litter the Tunisian desert.

This stunning mass of ice spans 121 square miles and is still growing.

A remote candy-striped mountain in the Peruvian Andes straight out of the pages of Dr. Seuss.

One of São Paulo's tight urban intersections has become a haven for graffiti artists ever since a single Batman started the trend.

This Brazilian Lady Liberty is one of the few replicas that was actually made by the original designer.

This Brazilian astronomy museum allows guests to gaze at the stars through their telescopes each weekend.

This Brazilian palace island was once the site of the last grand ball before revolution.

Small on the outside, big on the inside, this church is an astonishing act of visual deception.

Before there were doorbells this bronze ear was installed for visitors to announce their arrival.

The giant skeleton sculpture is surprisingly well-traveled.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

Vast network of air raid tunnels beneath Lombardy's capital.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

This collection of French root art looks like an indoor fairy wonderland.

A horse statue that receives constant makeovers from graffiti artists and locals.