This deconsecrated church has seen many uses, from a tobacco storehouse to a cinema.

According to tradition this is the oldest church in Venice, but its actual age is a mystery.

Two stone columns flank the grand Venice square, but there were supposed to be three.

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

Thousand-year-old Viking runes adorn an ancient Greek lion at the entrance to the Venetian Arsenal.

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

Venice's "Island of the Mad."

As can be expected from a centuries old church built in a canal city, the undercroft of this house of worship is beautifully flooded.

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

One of the last socialist halls still standing in the United States.

This record-setting hydraulic dam in the Montana badlands was one of FDR's most ambitious public works.

A classic carnival ride that was carved to be untouchable.

A smoke stack so large, the Washington Monument could fit inside!

Modeled after a famous church in Vienna, Austria—but in Helena, Montana.

For thousands of years, Native American hunters drove buffalo straight off this cliff in Montana's Yellowstone Country.

This tiny movie theater was the last one in the U.S. constructed in the Nuevo Deco architectural style.

These giant metal horses graze on a hilltop near the Montana highway.

High in the Rockies the third largest statue in the U.S. opens her welcoming arms, and lights up the night sky.

An entire town preserved as a historic landmark.

An apocalyptic seismic event creates a deadly chain reaction that ends with a 6-mile long lake developing within weeks.

The last physical evidence of the Lewis and Clark trail is one of their autographs etched into this giant rock.