This historic floating crane became an unlikely symbol of the port of Trieste.

One of the largest caves in the world open to the public.

These pools have been abandoned for over 20 years.

During World War II, this rice mill became a Nazi concentration camp.

One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

The Adriatic's most famous wind can be reliably experienced in the city's Marina.

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

The marble facade hides a little-known medical museum with early surgical instruments and rare copies of canonical texts.

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

The pile of books behind the dignified writer gave the statue a most undignified nickname.

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

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

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

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.

Venice's "Island of the Mad."

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

The southernmost toilet in the British Isles.

A passage grave used in neolithic rituals.

One of the largest sculpture collections in the U.K. features history's greats, from Bob Dylan to Galileo, in bronze.

One of the tallest maypoles remaining in England in one of its smaller villages.

A rampant horde of demons smirk and snarl at visitors to this church, home to a rare complete set of medieval-era stained glass windows.

The centuries-old obelisk may have inspired J. R. R. Tolkien.