A 98-room castle in the middle of Toronto that bankrupted a 19th century electricity multimillionaire.

This Hindu temple is an architectural marvel designed and built according to ancient Indian principles.

The intricate geometry inside this Baroque-style dome was designed to create "terror of the human soul."

The first statue to be added to Saint Peter's Square in over 350 years is an ode to migrants and refugees around the world.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

A detailed pachyderm supports Rome's smallest Egyptian obelisk.

This ancient market is often referred to as the oldest shopping mall in the world.

A fairy tale castle in modern Rome.

This modest marker near Notre Dame identifies the very center of Paris.

The Golden Dome is the most recognized building on the beautiful campus of the University of Notre Dame

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

One of Ireland's most infamous prisons for rebels including men, women and children.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Legendary DIY skatepark where Portland’s best skaters and curious onlookers gather daily.

This kitschy tavern is also home to rare early editions of "Treasure Island."

This massive roadside mascot was the first version of the giant to illustrate his butt.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

Despite a legend that says this highest peak in Oregon was climbed in high heels, scores of people have died on its slopes.

The world's last remaining store of its kind.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

Ride a mechanical corn dog at the alleged birthplace of America's favorite deep-fried wiener.