Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This medieval synagogue survived the Inquisition as a hospital and church.

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

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

After the queen of Spain had a dream where these statues fell and crushed her, they were removed from the palace and given new homes around Madrid.

A restored Pittsburgh house of God has been converted to a marvelous house of suds.

Enjoy dishes that founding fathers once ate at this Colonial Williamsburg pub.

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

A whimsical bridge uses saxophones to pay tribute to two great men and the European Union.

From Tintin to the Smurfs, Europe's greatest graphic icons are celebrated in a grand Art Noveau gallery.

Take a walk through the history of strength sports—from the early Olympic Games to modern day.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

Designed by the company that provided water to the entire community.

Its original statue was deemed so ugly, locals called it “Scary Lucy.”

There aren't too many operational funiculars around, but Pittsburgh has two!

The United States’s oldest funicular railway glides up and down a steep Pittsburgh street.

A unique sculpture designed to raise stroke awareness.

This museum is dedicated to a Hollywood icon.

The first and only American institution dedicated to the enduring value of comedy in the United States.

Since the 1930s, this Pennsylvania town has celebrated the humble tomato.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

A model of a dinosaur that was named for Andrew Carnegie stands outside the museum that also bears his name.