The tallest church in Mechelen might have been the tallest in the world if not for a lack of funds.

A sublime medieval path adorns the marble floor of one of the most beautiful Gothic cathedrals in France.

Eat the ultimate iteration of Portugal's most beloved pastry.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

The lighthouse central to the 1980s horror classic "The Fog" is, in fact, located in one of the foggiest areas of the Pacific Coast.

This lighthouse has been guiding shipping into the Golden Gate since before the American Civil War.

A working model of the entire San Francisco Bay and much of the Sacramento River Delta, complete with regular tides that change every 14 minutes.

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.

The 16th-century church was kept in its ruined state as a reminder of the casualties of World War I.

A monument to the thousands of Canadian soldiers who died capturing the French ridge during World War I.

The tomb of a hard traveling saint is constantly covered in shoes as offerings to heal disabled youth.

This disused boat elevator was saved from the scrap heap so that visitors could tour its rusting skeleton.

This coffee shop lies hidden beneath a historic church.

Legend says these colorful, invasive residents are the descendants of birds released by Jimi Hendrix.

The broken skateboards that became a poignant memorial to a murdered skater.

Abstract dinosaur models in London.

A sculpture of a famous ape who was once a beloved household name in London.

The remains of Crystal Palace Great Exhibition of 1851.

Staircase winds down the side of Telegraph Hill through gardens, wild parrots flying overhead.

This Alamo Square mansion is rumored to have hosted satanic rituals and other occult practices.

An elaborate gift from Claus Spreckels is now a piece of San Francisco history.

A 1920s speakeasy that had rum runners racing up and down the shores of California.

Noble beasts perhaps, but not the Emperor's dogs.