Now a public art piece, this curious metal feature originally advertised a tinsmith's services.

A lasting testament to the Klondike Gold Rush.

A skeletal collection of former nautical mainstays.

A famed drink seasoned with an amputated toe, now on its tenth digit.

A spoke-tacular artwork constructed from recycled bicycle rims.

Home to a full cast of the largest woolly mammoth ever recovered in North America. 

When the big city meets the edge of the frontier, log skyscrapers are born.

This decommissioned DC-3 now forever points into the oncoming wind.

A new sculpture calls attention to climate change in the centuries-old city it threatens.

This palatial spiral staircase was so unusual the name "snail" was given to the noble family who built it.

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

Go inside to really appreciate this 500-year-old technological masterpiece.

The tradition of open-air secondhand and antiquarian bookselling in Paris dates back to the Renaissance.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Known as the "Dodo Manège," this carousel features a herd of animals that have disappeared—or may be gone soon.

A favorite Paris bar for U.S. expats, including Gershwin, Hemingway, and James Bond.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

The vast, legendary catacombs hold secrets much stranger than stacked bones.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

These prehistoric replicas were based on actual skeletal remains.

This inexpensive lodging house was once a prison notorious for its inhumane practices.

Watch maple syrup being made without ever leaving the city.