Underground tunnels once home to crime are now back open to the public.

Sample cuisine inspired by the Great Plains indigenous people who have been gathering at this sacred Canadian Heritage Park for 6,000 years.

This small collection in the back of a shop is the only oddities museum in Saskatoon.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Museum preserving torture methods from the past.

Europe's official "zero-level," the equator of elevation.

These slanted cubic abodes are a creative if odd solution to a zoning pickle.

Tiny effigies of the victims of Edinburgh's famous Anatomy Murders.

Now famous as the "Harry Potter bridge," this impressive concrete viaduct has long been an icon in its own right.

'The Letters of Utrecht' lays out a ribbon of poetry one letter at a time, with no final verse in sight.

This still-celebrated home was a radical architectural experiment in 3D De Stijl.

This Netherlands museum holds a gloriously mechanical collection of ornate musical automata.

The Twisted Trees of Alticane are an unnerving grove of Quaking Aspen, apparently mutated from a single source, giving them a twisted and unnatural appearance.

The final resting place of soldiers' loyal canine companions.

360° views of the city plus five floors of optical illusions and hands-on science.

A scattered trail of street art adds a pop of color to the city's stark structures.

This stately monument has been wearing a traffic cone hat for decades much to the delight of the locals.

This Scottish museum is the only one in the world to focus not on one religion but all of them.

The world's oldest surviving music hall was also once a freakshow.

The elaborate clockwork contraptions in this Scottish gallery create small worlds of whimsy and horror.

"Respectful to the dead, safe and sanitary to the living, dedicated to the Genius of Memory..."