Although it appears ancient and mysterious, the quirky folly was actually built 200 years ago by an eccentric estate owner.

Amazing collection of folly buildings in Cobham, Surrey.

Soldiers carved these regimental badges into the chalk hills in remembrance of those who died in World War I.

The 25-million-year-old cavities have perplexed people for decades.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A magical sanctuary of mythological statuary.

One of the oldest theaters in Australia, it's also said to be haunted by a performer who died on stage.

Once a palace for the Archbishop of York, these 15th-century ruins now serve as a haunt for history buffs.

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

A New York warehouse filled with an enormous amount of goods saved from the landfills and donated for creative use.

More than 100 colorful residents stand post in this seaside Australian city.

Built in 1933, this unique ballroom is nicknamed the "floating dance floor."

This old wooden funicular railway leads to a cemetery in the forest.

A detailed 1:32 scale model of Scandinavia's largest telescope.

Dine amidst exotic plants at this former royal greenhouse.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

This tiny structure was built by the creator of the Brooklyn Bridge.

Easily overlooked in favor of the wineries that dot the region, this blast from the past is equally worth the visit.

This modern New Zealand attraction honors ancient forms of astronomy and scientific understanding.

This museum dedicated to divination also honors a local 10th-century prophetess.

This mundane post marks the old location of the city's main postal hub.

Walk through a restaurant's refrigerator door to reach this hidden bar.

One of the most acclaimed eateries in Arkansas is a two-table diner on the ground floor of a family home.

Every color in the rainbow awaits.