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

A well-preserved network of cavernous tunnels have spent silent centuries removing Toronto's waste.

Once a year, thousands of naked cyclists flood the streets of a Seattle neighborhood.

A rare view of a preserved Victorian science museum.

A monument to the 17,000 Chinese who worked and died to build Canada's Pacific Railway.

This lighthouse and shipwreck museum keep a torch burning for the memory of the SS Edmund Fitzgerald.

Housed in the university planetarium, the thousand-strong collection of tiny towelettes includes a used one from the hosts of Car Talk.

Concrete igloos standing across from what remains of the Michigan Central train depot.