Legend says these rocks used to be hunting dogs, a story that may have inspired Sherlock Holmes' most famous case.

A nearly 500-year-old sculpture depicts a man eating a sack of babies, and no one is sure why.

Yale University's home for rare works, including the mysterious Voynich Manuscript.

A stoic rock cairn is all that remains to remember one of the more brutal instances of frontier treachery in American history.

This Scottish bridge seems to compel dogs to leap to their death.

New York City's smallest piece of private property.

This former mining town was named the most toxic town in America.

This rare polygonal meeting house is rumored to be built in a circle so that the devil has nowhere to hide.

A 200-year-old bar in the historic French Quarter refuses to give up its place in history, nor its role in securing ours.

Unsurprisingly, Holland is home to one of the most magnificent flower gardens in the world.

An ultra-modern vista that has been featured in so many films the house is a celebrity in its own right.

This inanimate goat created by the "welding nun" has been helping to clean up the city of Spokane for more than 40 years.

Home to the most complete dodo remains known - one head, and one foot.

The summer home of the largest colony of bats in the world.

A mechanized clock where a man fights off a dragon, crab, and rooster.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

A massive ultra-modern church presents a science-fiction view of Catholicism's inclusive future.

This prison-turned-museum is a remnant of the Old West's grizzly, violent past.

The largest game reserve in Africa is home to thousands of species but refuses to house humans.

More sculpture than building, this architecturally significant temple was built on the spot of Saint Peter's crucifixion.

Lucerne's central prison was converted into a tourist hotel with a bare minimum of changes.

The largest treasure hoard in Europe is contained in a castle that was bombed out during World War II.

The oldest stone house in Paris was built by its most famous alchemist.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.