Historic psychiatric asylum and most-filmed location in the Great White North.

This Elizabethan hedge maze is one of only six in North America.

Tour the original street level of Port Angeles, buried underground in 1914.

Museum deep in the catacombs of St. Michael the Archangel Church is explored by touch, sound, and smell.

Machismo turned on its head: the lady's hand goes to the dude with the bigger brain.

Hidden in an Italian forest is a completely homemade amusement park that has taken a lifetime to create.

A small island less than half a mile from Venice is a forbidden island with a dark and twisted past.

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

A complex, nine-layer maze on the grounds of a Venetian doge's playground.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The largest underground church in Europe.

The curious underground history of keeping Paris clean.

This massive blockhead sculpture hides an entire library.

One man's ambition created this psychedelic log home.

Living trees form the structure of an open-air palace.

The world's largest kaleidoscope, designed by a 1960s psychedelic artist.

Protecting the future of some of the rarest and most misunderstood mammals of North America.

An abandoned castle owned and ignored by Masons carries a cursed history.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

One man's swirling six-acre monument of stone.

Largest site of dinosaur footprints ever found includes more than 5,000 tracks.