Installed in an act of one-upsmanship, the annual sundial in this church is also a symbolic victory for the Gregorian calendar.

Every equinox this Maya pyramid puts on a spooky ancient light show.

This chapel on a cliff is renowned for its healing powers and was founded on the site of a supposed divine intervention.

Rusting, graffiti-covered tanks litter the beach of this island, once used by the U.S. military for target practice.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

Two stone columns flank the grand Venice square, but there were supposed to be three.

Go inside to really appreciate this 500-year-old technological masterpiece.

The celebrated eyesore created by starry-eyed sweethearts.

Got apples?

This splendid tomb may look fantastic, but there's nothing in it...

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

Robots, lasers, and whoopee cushions, oh my!

The grounds of this Jacobean estate contain one of the oldest mulberry trees in England.