Watch butterflies take flight before you fly.

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

The unique work of art celebrates the 30th anniversary of the 1988 World Expo.

Hundreds of people walk past this palm tree every day without spotting its secret.

This Western Australian mint was established during the height of the Australian gold rush.

The largest prehistoric cemetery on the Balearic Islands dates back over 2,500 years.

The Denny Substation has been called "the coolest substation in the world" and sits in a densely populated Seattle neighborhood.

Jail from the 19th century that was built by inmates.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

A 30-year-old Sycamore tree grown from a seed taken to the moon and back.

This spot memorializes one of the greatest plays in NFL history, unless you happen to be a Raiders fan.

The world's largest fire hydrant is supposedly tornado-proof.

This psychedelic tromp l'oeil seems to be beckoning drivers to crash into a wall.

This titanic steel chain linking two buildings was installed without permission but instantly beloved.

This ancient octopus-like tree was saved from destruction thanks to shady reporting.

This defunct, fortress-like prison has been the setting for several movies.

At 135 years old and counting, this historic print shop is heaven for poster nerds and music buffs.

Art and a pun, all in one.

On the Spree bank, discover one of the last reminders of a symbolic wall that divided, and was torn down by the people.

This monumental work of art symbolizes the coming together of a previously divided city.

Residents of Fremont in Seattle have considered it the center of the universe since the 1970s.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

An encyclopedic collection of mammal penises.