One of the oldest log cabins in America is one of the last of its kind this historic Swedish dwelling remains a piece of living history.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

One of the oldest of its kind.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

World's first "penitentiary," meant to be humane, drove men insane.

The oldest botanical garden in the world that technically isn't the oldest.

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

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

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

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

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

100 year tradition of fist fights, marked by marble footsteps.

The tomb of the mythological founder of Padua is not hidden in some obscure crypt, but stands right in the middle of the city square.

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

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

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

Historic Hull Street was actually the first street with a proper name in the Boston area.

The monumental steeple on Amherst College's campus has no church attached to it.

The entire length of the border is marked by a 20-foot-wide slash through the trees.

A tour de force of a fountain, memorializing a man who loved fountains more than anything else.

A daily replay of the experiment that proved the rotation of the Earth.

Erected in 1697 this Philadelphia bridge is the oldest surviving roadway bridge and perhaps the oldest stone bridge in the United States.