This electric green sulphur lake in New Zealand looks like a cartoonish radioactive dump site.

A perfect turquoise lake colored with glacier dust.

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

The Dalai Lama named this New Zealand landscape the "Spiritual Center of the Universe."

Dolphins, ancient clams and hundreds of waterfalls make this one of the world's top tourist destinations.

Tubing through a cave lit with glowworms is a magical underground experience.

A tiny, unmarked beer and whiskey bar above an Ethiopian restaurant in West Philly fails to conceal live bluegrass.

Inside this store, a mysterious statue draws visitors from the world over.

The world's smallest park was dedicated in 1948 as the only colony for leprechauns west of Ireland.

Stocking up on the world's best beer requires a pilgrimage to a monastery drive-through.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

An Orwellian sculpture with eyeball cameras watches passersby.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

A sculpture of the iconic East German car on four legs is a tribute to those who traveled to Prague seeking asylum.

This Czech church doubles as something of a permanent fashion exhibition for a statue of the Infant Jesus.

Nine bronze hands protruding from a wall honor the student uprising that led to the fall of Czechoslovakia's Communist government.

A mocking tribute to the past and modern leadership of Prague.

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

Monument to a suicide protesting the Soviet invasion.

The hidden lair of an alchemist rediscovered in a 2002 flood.

The first museum in the world devoted to sexual gadgetry.

The slender brass strip in Prague's Old Town Square was used to tell time from 1652 to 1918.