This work of art was designed to represent the Tarpeian Way Quarry that once dominated the area.

Though considered an eyesore by some, this boxy Brutalist high-rise plays a significant role in Sydney's past.

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

Known for the tunnel that leads visitors to the water.

One of the world's steepest streets seems to have houses sliding down it.

Highly spherical boulders on the shores of New Zealand.

Enjoy coffee and cake while viewing antique medical equipment at this unique cafe.

This aluminum “stairway to heaven” has impaled at least a couple of birds.

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

Marta Becket's hand-painted theater in the desert.

A small section of Boise, Idaho maintains the unique culture and traditions of the Basque people.

There aren't too many operational funiculars around, but Pittsburgh has two!

The world’s first penitentiary, meant to be humane, drove men insane.

This charming colonial alleyway is one of the oldest continuously used residential streets in the U.S.

This Colorado hiking trail provides a small gold mine of abandoned gold mines.

This quirky roadside attraction dives into the many theories surrounding North America's most infamous hairy cryptid.

A trading post in the North Pole where children send letters.

One of the most dazzling dioramas at the American Museum of Natural History is also one of the oldest.

This magnificent herd of stampeding elephants has been frozen in time for over a century.

An eerie diorama that captures the majestic nature of a few prehistoric-looking beasts.

The "Seinfeld" diner.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

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

Designed by Alfred Caldwel, this landscape showcases his vision of a native garden.