This ancient Roman aqueduct once funneled water to Diocletian's palace.

An ancient knight and a symbol of the city's freedom.

The big toe of this towering monument to a Croatian national hero is worn from years of superstitious rubbing.

Gargoyle head that brings good luck.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

Breathtaking and huge 430 year old maps of Italy.

A museum chronicling pioneer life constructed over Interstate 80.

Over 600 acres of idyllic open grassland honor Nebraska’s georgic storyteller.

A historic ghost town still worth a visit.

Few other hotels can rival the grandeur of the Castle in the Rockies.

This conservatory allows a little bit of the tropics to thrive in the middle of a major Canadian city.

The New Central Library is a masterpiece of contemporary architecture in the midst of downtown Calgary.

With its webbed walls and bright red coloring, Calgary's iconic bridge looks like a finger trap puzzle stretched across the river.

The granite head appears to be deep in thought and half buried in the ground.

This quirky piece of naval artillery has been deafening Canadians for over a century.

The colorful, smiling concrete silos of Vancouver.

What happens when a sculptor has to find a way around a 100-year-old copyright.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This expansive bridge in the Canadian wilderness was originally just built for friends.

Four ionic columns from the Treasury Department building ended up in a park in Nebraska.

It is said that each of the white stones in the red facade of this medieval house represents the head of a murdered Swedish noble.

It houses the remains of a 17th-century version of the Titanic.

A Dutch clog company in the town of Zaandam loves the wooden shoes so much it made a museum for them.

The former headquarters of history's oldest megacorporation.