Some 80,000 Delft Blue tiles line the inside of this Amsterdam walkway.

A set of seven houses, each built in a style that represents a European country.

This 22-floor tower's Skydeck offers panoramic views of Amsterdam.

This historic Amsterdam bar used to accept sailor's monkeys as payment.

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

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

A palatial former bank building now houses what may be the poshest art venue (and former Tesco) in Belfast.

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

The last Victorian market in Belfast.

A museum marks and documents the site of the Titanic's launch.

This Victorian-era public house has set the standard for pub-style elegance for over a hundred years.

The impeccably spiced roast pork buns at this bakery are worth the wait.

“Wagon Jobber" turned smokehouse magnate's family-owned business is still going strong 100 years later.

Make a tough dinner decision: Octopus wasabi roulette or bull penis?

An annual extravaganza of Broadway theater memorabilia.

This mosaic dedicated to John Lennon was tended for years by a Beatles super-fan.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This Philly landmark has a giant butterfly pavilion, three floors of insect displays, and withstood a $40,000 heist.

This little-known Revolutionary War fort is supposedly haunted by the ghosts of its past.

This bombed church was given a new life as a contemporary art gallery.

Before this rocky hill was home to a chapel, it was used as a lookout by Romans and Moors.

An abandoned anti-smuggling station decays along the boundary between Portugal and Spain.

Step back in time at this 19th-century kiosk.

Pagan monument converted to Christianity with the population.