A memorial for public executions that dates back to the 14th century.

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.

An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

Fuel your honky-tonking with this venue's unbeatable “Recession Special.”

The world's longest continuously running show has played at this small West End theater since 1974.

These "mermaids" that surround a plaza in Segovia are rather sphinx-like.

Neoclassical bank designed by NY architects Helmle & Huberty.

The remains of the oldest bone-headed dinosaur in North America.

One of the best-preserved medieval streets in Europe.

In the 1950s, two women saved this grand theater in the Colorado mountains from demolition.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Once the grandest synagogue in medieval Spain, it now stands as a memorial of the 15th-century Jewish exile.

German-style coffee and cake, just like Oma used to make it.

This Brazilian town built by Freemasons is full of colonial Masonic architecture and symbolic imagery.

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

Commercial airplanes land mere feet over the heads of sunbathing beachgoers on this tiny island.

An ode to Japanese artist Hokusai, with a bit of a comical twist.

Lyon's miniature version of the Eiffel Tower was built as a statement in support of French secularism.

This fountain was once heralded as the largest in the world.

The world's largest collection of ship figureheads includes figures from legends and history alike, from Sir Lancelot to Abraham Lincoln.

If it hadn't been caught in time, a flaw in the design of this Manhattan skyscraper could have led to its collapse.

Now owned by the National Park Service, this location was once home to illegal boxing matches.

This quarter-mile tunnel under the Bluff in Pittsburgh bends at a 45-degree angle.

Singapore's oldest Hindu temple.