A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

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

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

The best place to encounter plants and animals that can only be found in New Caledonia.

This millstone commemorates a gruesome tale that may have been the source of the city's name.

There has been an astronomical clock on this spot since the 14th century.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

An amazing example of early-20th-century architecture, this church features marble transported from Utah.

This seemingly out-of-place gas station by the Watergate hotel was once described as the most expensive gas station in the world.

An overlooked memorial honoring the local Washington residents who died in World War I.

While most wind tunnels test scale models, the "Cave of Winds" was large enough for actual airplanes.

Look closely and you’ll notice that the color changes a third of the way up the tower.

The little-known, 300-year history of the area includes former lives as a bustling tobacco port, parking lot, and industrial dump.

Legend has it that President Grant’s frequent drinking in the lobby gave rise to the term “lobbyist.”

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

Decades before the scandal, this staircase on the river was a literal "water gate."

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Home to items never before seen by the public.

A theatre built to house the rowdy Oxford graduation ceremonies became the stage for a debate about God's existence.

An extraordinary collection of scientific instruments - and Einstein's chalkboard - inside the world's oldest purpose built museum building.

Used as an example in one of the first dictionary entries for "museum" in 1706.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.