The famous greeting card maker owns a collection of paintings by the famed surrealist.

Community bookshelf of 25-foot-tall book spines.

This otherworldly church spire reaches up toward the heavens.

This mansion was made famous by its colorful cast of owners and location along the Sante Fe Trail.

This seemingly charming home memorializes and honors the victims of a century-old unsolved murder.

Outside the Missouri Quilt Museum, this large spool has more than one million yards of thread—and counting.

European castle ruins in an American state park are actually the product of death and grief.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.

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

Carvings in Turkey's Marble Road may have directed ancient Romans to a hidden brothel.

The ancient latrines of the Greeks, in all their public glory.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

The hairpin turns in this mountain road take the shape of a letter—is it a coincidence or a symbol of love?

This skewed English house has looked like it's going to fall over for centuries.

This museum features the original car used on the Beverly Hillbillies sitcom.

Overlooking the burial ground is a tower designed to prevent thieves from snatching the recently deceased.

A labyrinthine network of chambers with a storied past hides below Edinburgh's South Bridge.

The fountain marks the area where hundreds of accused witches were burned at the stake.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

A six-ton wedding present for the King of the Scots.

The final resting place of soldiers' loyal canine companions.

Ruined 11th century abbey built by King David I in Edinburgh, Scotland.