These barriers stand as stark reminders of Northern Ireland's troubled past.

Melbourne's favorite bronze dog.

This abandoned lock-up was saved because of its connection to a local football team.

Bronze statues honor the brave explorers who passed through this Antarctic gateway.

More than 100 colorful residents stand post in this seaside Australian city.

Children's author May Gibbs's beloved stories about the tiny, human-like "Gumnut Babies" are immortalized in bronze.

The castle still holds traces of the abandoned Roman fort it was built atop.

One of the oldest theaters in Australia, it's also said to be haunted by a performer who died on stage.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

Belfast's namesake river still winds below the city center, hidden from sight.

A colorful street named for the legendary Australian rock band.

A whimsical menagerie of creatures carved into a 300-year-old tree trunk.

This controversial museum includes such detested exhibits as a chocolate suicide bomber and fecal-smelling digestion machine.

The 18th-century home was disassembled into 253 cases and brought all the way from the other side of the world.

This historic tall ship traveled 1.5 million miles around the globe, and once did duty as the mythical pirate ship in Peter Pan.

Not the result of an accident, hurricane, or aliens, this is an eye-popping tribute to the Melbourne tram.

A friendly monster lurks outside the State Library Victoria.

Every hour a secret compartment drops from this giant pocket watch, revealing a lovely surprise.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

Overlooked by many, the two famous Scottish warriors guard the main gate of Edinburgh Castle.

The ruins of New Zealand's largest classical-style church.

High winds can make this one scary landing.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

A bright little alley in La Boca is a part of tango history.