The ruins of the largest gladiatorial school in Rome are largely hidden under modern streets.

A copy of the famous statue can be found in this Florence piazza, along with one of the most breathtaking views of the city below.

Secret refuge and museum of the Duke of Florence.

The largest Canadian war cemetery in Italy commemorates those who died in one of the bloodiest battles of the Italian campaign during World War II.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

This Venice bookstore has resigned itself to constant flooding by keeping its books in bathtubs and boats.

"Stairs of the Turks", a chalky white cliff eroded conveniently into stairs, allowing for easy pillaging.

This 1836 church, constructed by formerly enslaved people, honors a leader in Afrocentric music.

This impressive working clock made of 16,000 plants changes its flowers twice a year.

This giant roadside fruit is home to an array of apple-based treats.

A 1975 bylaw prohibits the construction of any building that would block the view of this Gothic Revival church.

This seemingly cursed monument is dedicated to one of Canada's great war heroes.

This massive mall has hundreds of shops, an amusement park, and a history of deadly amusement attractions.

Abandoned for over a century, this chilling train tunnel is now a destination for ghost hunters.

This natural wonder is disappearing at an alarming rate.

The large fjord lake is thought to be the home of "Ogopogo," a giant sea serpent.

One of the largest underground systems runs under Canada's largest urban center.

A surviving remnant of the thick ice mass that once mantled most of Western Canada's mountains.

"Girl in a Wetsuit" is what happens when a sculptor has to find a way around a 100 year old copyright.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

A collection of more than 12,000 shoes, displayed in a building shaped like a shoebox.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

One of the Seven Wonders of the Modern World holds the world's tallest metal staircase.