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

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

Fort Garry was a pivotal post for the Hudson’s Bay Company and a major factor in the economy and political culture of the area.

Under the desolate and windswept northern coast of Barbados stands a small oasis filled with sea anemones.

A controversial memorial at the place where Captain Cook met his violent end.

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

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

A collection of human remains, animal body parts, and other macabre curiosities all legally for sale.

Soaring over the Niagara Whirlpool since 1916.

Once thought to be the oldest living tree in the world, Methuselah was germinated before the Egyptian pyramids were built.

One of the world’s largest and deepest freshwater springs, where mastodons once roamed.

The only Florida state park with publicly accessible caves.

This coastal port saw one of the most significant battles of the Civil War.

Once the primary source of ice in this region during the mid-20th century.

One of the only Florida forts to remain in the hands of the Union all through the Civil War still stands as a historic stronghold.

This now-deactivated naval base defended the Florida coast for centuries.

A Grand Dame of the vaudeville circuit restored to its former glory.

A striking lighthouse with views of the Gulf of Mexico and of a military air show.

A local landmark with generations of spraypainted messages, and more being added each day.

Pensacola's UFO home has withstood many hurricanes—just as the experimental 1960s design intended.

Early prototype for Frank Lloyd Wright's Guggenheim.

The first home and studio that belonged to the famous architect.

A bizarre house filled with an astounding array of collections.

Sid Vicious famously punched a hole in the wall of this iconic music venue.