Thousands of coffin-like pillars make up this controversial Holocaust memorial.

Marvel at the excessive luxury of the ousted Ukrainian president's former estate.

This underground transport hub doubles as an art gallery.

Monumental sculptures guard many of the graves, transforming this necropolis into an open-air fine art museum.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

The deepest metro station in the world.

When you've got to go, you've got to go.

Ukraine's oldest operating pharmacy now offers guests a fascinating walk through apothecary history.

This whimsical fountain pays tribute to Toronto's four-legged friends.

A grand Gothic Revival basilica with stained glass depictions of Montreal's religious history has only one soul resting in its crypt.

The Victorian-era greenhouse is stuffed with tropical plants, and open 365 days a year.

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