An abandoned church gets a second life as a massive beer hall and event space.

The remnants of a wooden-hulled fleet built and abandoned in WWI, now home to a thriving ecosystem.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

The longest escalator in the Western Hemisphere takes over three minutes to ride down.

A suburban museum tells the story of a historic transportation network and even provides rides in antique trolley cars.

A layered tribute to the work of mosaicist Isaiah Zagar.

South Philadelphia is home to Keith Haring's only surviving in situ collaborative public mural.

This elaborate towering structure was once famed for its revolutionary height.

Yo, Adrian!

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

The modern birthplace of Irish freedom.

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."

More than 5,000 artifacts donated by the people of the city, plus a room entirely devoted to the band U2.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

These engineering masterpieces are a dominant feature of the Belfast skyline.

This massive monument has been telling the time for 150 years—at a slight angle.

A giant sculpture of the legendary "Salmon of Knowledge" celebrates the return of fish to Belfast's River Lagan.

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

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

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

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

Northern Ireland's Brobdingnagian stepping stones.

This statue celebrating everyday life in Dublin has a few unsavory nicknames.

One Portuguese poet described this cape, the westernmost point in mainland Europe, as "where the land ends and the sea begins."