Places j3taylor Wants to Go

Stone memorial that's said to predict the death of the pope and the site of the Cadaver Synod.

These hut foundations are believed to be the residence of Romulus, founder of Rome.

This ancient Roman prison is decorated with an upside-down cross not as blasphemy but as saintly tribute.

The Pope’s secret escape route.

A forgotten "city of water" underneath the famous Trevi district.

The engineering wonder and pleasure dome of a much-maligned emperor still holds undiscovered secrets.

The underground sanctuary of a mysterious ancient cult.

The only "Egyptian" pyramid in Europe and the legendary tomb of Remus.

An alchemist's “magic door” stands in the middle of a Roman park.

This abandoned open-pit copper mine features stunning turquoise mineral pools and excellent rock-hunting opportunities.

Medieval streets buried beneath a papal fortress now form an underground city you can walk through.

This map, on display in the Library of Congress, and one of only seven known to exist, is the very first map of the United States.

A large portion of this navigable canal runs under Paris's famed boulevards.

A monument to a beloved aquatic folk hero in the Irish town of Dingle.

Have a ball telling the time at this giant kinetic-energy clock.

Striking fusion of Islamic and postmodern architecture, said to be the largest mosque in Western Europe.

Soldiers’ scrawls turned into history’s signatures.

A relic of the region's rich seaweed industry.

One of the best views of the city is tucked away at the top of a water tower.

An eye-catching model town in a San Diego backyard.

The “jail” hidden away in Old Town Temecula that was never actually a jail.

Historic bar where the Singapore Sling cocktail was invented.

The world’s first museum dedicated solely to electric vehicles.

One of the world's smallest city parks is only 12 by 20 feet.