Ha Long Bay's "Cave of Surprises" houses a popular phallic rock formation.

This statue once earned the distinction as one of the "Three Major Disappointments of the World."

Hang out with thousands of butterflies in one of the world's largest such enclosures.

Holy Hindu shrine in an enormous, monkey-filled limestone cavern.

These bronze sculptures sow whimsy by hamming it up on a pedestrian mall.

Children's author May Gibbs's beloved stories about the tiny, human-like "Gumnut Babies" are immortalized in bronze.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

Taxidermy of the racing horse with a huge heart, who inspired hope in the Depression.

A special train service transported Sydney's dead from this station to "Necropolis Receiving Houses" at Rookwood Cemetery.

The once-dying town of Sheffield, Tasmania has reinvented itself as a village of painted wonders.

Dedicated to an "Unknown Man," this grave holds either the remains of a lovelorn suicide or a Cold War spy.

This historic Melbourne bullet factory is fully encased in a massive glass and steel cone.

Built over an abandoned train yard, this hidden gem is full of winding paths and offers gorgeous views of Sydney Harbour.

A massive stairway that almost wasn't leads to one of Australia's most scenic vistas.

A Saxony castle houses one of the largest and most outstanding mineral collections in the world.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This temple to the sturm and drang of Richard Wagner contains a dragon's cave and reptile zoo full of living "dragons."

Thousands of flowers create enchanting pink tunnels over the city streets.

Berlin's old airport.

A museum dedicated to the history of a terrifying secret police is now held in their former headquarters.

On this tiny spot of land in the middle of Lake Titicaca the only ones who do the knitting are the men.

It took 82 years and four different plaques to finally get the story right.

This geometric feat is a testament to the Incas' mesmerizing architectural abilities.

The stones of this Incan wall complex fit together so well you couldn't fit a piece of paper between some of them.