The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

A battle between nature and architecture in the Cambodian jungle.

Singapore's landscaping project is home to 18 incredible Supertrees.

Buried in the Laos jungle is a sanctuary for bears that would have otherwise been milked to death by poachers.

This tiered waterfall is so pretty it may cause visitors to cry tears of their own.

A phallic shrine to a princess goddess in Krabi, Thailand.

A tall karst islet popularized by 007.

The headquarters of the Mahanikai school of Buddhism, Thailand's largest monastic order.

A white Buddhist temple with a golden restroom.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

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

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

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

Macabre astrological automaton clock dating to the late 1400s.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.

This working class sculpture pounds his hammer all the livelong day.

A walk through the historic city center, under the streets of Seattle.

The celebrated eyesore created by starry-eyed sweethearts.

19th century pendulum and a clock restored by a rogue group of guerilla artists.

The most confusing clock in New York.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

An artist's cute bronze subway sculptures belie his violent artistic past.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.