Ancient images hide within the park's caves.

Edinburgh's oldest statue hides within a parking lot behind the city's iconic cathedral.

Hundreds of enormous icebergs drift through this waterway every year.

This spooky statue sits outside a famous Prague theater.

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

This no man's land slicing through the island is strewn with abandoned relics of another time.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

A mysterious spot where the laws of gravity seem not to apply.

Twice a day, the water of the Petitcodiac River flows upstream in a surfable wave.

Rusty red sands line the shores of this Canadian Province.

On the waterfront of Sydney, Nova Scotia, a 60-ft. fiddle greets incoming ships.

This Canadian monument to the man who invented the telephone allows visitors to get up close and personal with the artifacts of his life.

This ruined temple's giant Buddha statue bears the scars of the Second Indochina War.

A statue of the early navigator stands overlooking the land he first surveyed.

A chaotic collection of maritime artifacts, art, and really whatever else happens to be around.

A forlorn fishing village on the coast of Labrador, full of shipwrecks and Spanish gold.

An 18th-century Nepali-style chorten built to subdue demons and evil spirits.

The untimely death of a dignitary's daughter led to this fort being abandoned before it was ever finished.

All that is left of an Armenian community that thrived in Dhaka 200 years ago.

This colorful palace is an oasis of calm amid the hustle and bustle of the Buriganga riverfront.

This underground power plant looks more like a super-villian's lair than a public work.

A lake formed in the basin of a massive impact crater takes the shape of an unbroken ring when viewed from above.

This artful dam holds back a crater-made reservoir that can be seen from space.

The ruins of an abandoned 17th-century fort that was almost completely destroyed by a fire.