World War II ended before these tunnels built to protect vital oil from Japanese bombs were ever used.

Continuing the tradition of the dime museum in style.

This giant Christ statue was a failed attempt by Indonesia to dissuade East Timor from demanding independence.

A monument to the 4,114 Irish orphan girls who arrived in Australia between 1848 and 1850.

A statue of a Scottish cultural icon in central Sydney.

A 19th-century perch for spotting sailing ships now boasts one of the most iconic views in the Southern Hemisphere.

Come for the flowers, stay for the bats!

Hidden within Sydney’s lush Royal Botanic Garden is a walled cactus rockery and the site of Australia's first zoo.

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.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

The failure of one component toppled this entire bridge during rush hour.

The first blast furnace in the United States that used coal and coke fuel instead of charcoal to make pig iron.

A public display of prehistoric space rocks is named for the Namibian village where they were found.

America's first serial killer rests in anonymity.

Delicate Wurlitzers, creepy clowns, and The Noid all share space in this insane explosion of kitsch history.

Once on display alongside a giant Gumby, it’s as tall as a nine-story building when fully extended.

This small 16th-century church in Athens is almost entirely surrounded by a modern building.

One of the famous Czech artist's lesser-known Prague installations appears to be a glowing fetus affixed to a drainpipe.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

This doorless 20th-century elevator doesn't stop or slow down.

A Jenga-style cylindrical tower of books that appears to go on forever.

A unique work of automotive art calls this shopping center home.