Bad farming practices caused this unnatural natural wonder.

Memorial to the father of the Republic of China.

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

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

What looks like a suicide in progress is actually a statue of Sigmund Freud.

Macabre astrological automaton clock dating to the late 1400s.

This massive wooden building contains a giant Buddha, healing pillars, and tame deer wandering the grounds.

This rare basilica nestled right in downtown Asheville is an architectural marvel, inside and out.

This nine-story building can be played like an instrument.

A psychological self-portrait in the form of a giant, segmented head.

An enormous, inside-out glass globe built in 1935.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

Home to more than 13,000 pieces of war memorabilia and military equipment.

A chilling monument to Korean patriots who resisted the Japanese occupation.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A man's home is his castle.

An underground magnet for ever-changing street art.

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

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 whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

A former waterfront market is now in the center of town due to some interesting Boston engineering.

This monument on Breed's Hill proves that one of the most famous battles of the Revolutionary War is misnamed.

Mrs. Mallard and her brood are a beloved fixture in Boston Public Garden.