One of only two commuter aerial tramways in the United States.

A 1,215-foot tunnel transports pedestrians beneath the River Thames.

A building that survived WWII, possibly on the virtue of its name alone.

Visit on a Sunday morning to see some killer tricks.

A flourishing garden with pigs, donkeys, goats, rabbits, guinea pigs, chickens, ducks, and sheep.

A hugely vast Irish landscape of barren rock that stretches for miles.

An enigmatic monument to the Irish revolutionary who plotted an uprising against British rule.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

The ancient tomb acts as a calendar that keeps perfect time.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

A particularly disconcerting tribute to Irish martyrs.

Though they've since been renamed, these two streets hint at Dublin's darker days.

One of Ireland's most infamous prisons for rebels including men, women and children.

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This cemetery features modernist statues as strange as its name.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

Mountain where Jesus was first tempted by the Devil.

The last Victorian market in Belfast.

Northern Ireland's Brobdingnagian stepping stones.

This short bridge is the only thing connecting a tiny Irish island to the mainland.