An early 19th-century English style garden hidden in the Rotterdam cityscape.

Old ships and machinery fill a historic harbor in the city that's home to Europe's largest port.

The struggle of a small Dutch island against the sea.

The 20-mile causeway that separates the Netherlands from the sea.

This large sand dune in the Netherlands is home to wind-whipped trees with "floating" roots.

Go inside a revolutionary, cage-less zoo where 70 species of monkeys roam free alongside their human visitors.

Rich with fauna and flora, nature-lovers can walk across the sea at this UNESCO World Heritage spot.

Amsterdam's former hotspot for public executions and dissections.

This unique bridge physically lifts a piece of the road into the air to let boats pass by.

This enormous monument is one of the most iconic structures in Tokyo, rudely nicknamed "The Golden Turd."

This 14th-century temple is also known as the "Temple of the Golden Pavilion" for its gorgeous gilded reliquary hall.

A shrine contains nearly 200 statues of the Buddhist deity Jizo, dressed in bibs by parents who have lost a child.

A 20-meter (65-foot) robot towers over Tokyo Bay.

The sound of swaying stalks in this stunning grove has been named a governmentally recognized sound.

The 10,000 Torii shrine.

An eerie reminder to the horrors of World War II.

Peace Park and the Atomic Bomb Dome.

A plaque marks the site directly below the mid-air detonation of the atomic bomb over Hiroshima.

Rotterdammers' dirty minds gave this santa a dirty nickname and cursed it to a life of wandering.

Built by crowdsourcing, this wooden foot bridge saved a part of Rotterdam that was languishing in wait of city funding.

A true Valhalla for cactus and succulent lovers.

A beautifully eclectic mix of architectural styles.

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

Cat art as far as the eye can see.