Experience what life was like in Ireland during the Viking and medieval ages.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

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

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

The enchanting archway is the only surviving portal into Dublin’s lost medieval wall.

The attic of a four-century-old canal house hides a clandestine church.

An authentic replica of an Asian temple and garden hidden amongst the natural beauty of Hawai'i.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

This museum housed in a former brothel explores the past and present of sex work in Amsterdam.

Beneath the southern end of the Golden Gate Bridge is the “Gibraltar of the West Coast,” a fort built to protect the San Francisco Bay from naval attack.

One of Amsterdam's narrowest houses is located right across the canal from its widest.

A public urinal so pretty, it was declared a national monument.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

An Amsterdam street lined with antique shops each one dedicated to a different obscure collection.

Established in 1638 to battle the Black Death, this botanical garden is a treasure trove of rare flora.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

This semi-secret garden in south Seattle emulates a traditional Japanese garden using the plants of the Pacific Northwest.

The narrowest street in Canada was once a spot for dastardly doings, now a historic piece of Chinatown.

Behind this beachfront shop lies a spectacular, colorful sea cave with an equally colorful past.

Hollywood's oldest hotel is the site of the first Academy Awards, the birthplace of Marilyn Monroe's career, and the home of Montgomery Clift's ghost.

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

Amsterdam's former hotspot for public executions and dissections.