When construction began on this hotel, developers were surprised to find the ruins of an ancient civilization.

King Carlos IV laid the first stone during construction of this chapel.

The East Village tenement from the cover of Led Zeppelin’s 1975 album has a tea shop on the ground floor.

Coins and medals straight from the mint await visitors to this shop in the nation's capital.

The construction of this bridge dates back to the 15th century.

The lesser-known Alice sculpture of Central Park dedicated to the “godmother of American children.”

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

One of the few remaining covered bridges in Lancaster County.

Rub it for a bit of good luck.

Curated by a small staff of veterans, the Carlow Military Museum valiantly provides a personal perspective on over 800 years of Irish history.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

The sole surviving medieval street cross in Scarborough.

This small hilltop church weaves the urban history of Washington, D.C. with the national history of the United States.

The best way to get a sneak peek at the movies.

This cathedral's stained-glass patchwork of psychedelic colors and shapes was put in place long before the swinging 60s.

An aptly-named street near the birthplace of the modern LGBT rights movement.

Catch a scenic view of Warsaw's Old Town from the top of a centuries-old dumping ground.

This extinct volcano rises above Edinburgh and is special for its panoramic views over the city.

The river that gave its name to a 1960s musical movement has a rather inauspicious starting point in town outside of Manchester.

In a New Jersey cemetery, the final resting place of two brothers who fell victim to a deadly mushroom.

At the top of the hour, figures of the London department store's two co-founders emerge and bow to each other.

Only a few pieces remain of the structure that carried people and goods across the Thames for some 600 years.

In addition to escorting prospective couples to and from ballrooms, this lane was also a place for gentlemen to settle scores.

This cannonball embedded in the side of an Edinburgh house once served a surprisingly pedestrian purpose.