A graceful natural rock formation stands astride the point where the Gulf of California meets the Pacific Ocean.

A lovers' beach, tucked below the surface of the island, provides a safe haven for romance.

This ancient theater was once the home of fierce gladiatorial battles.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

The mental institution where Van Gogh created some of his most famous work now allows guests to walk in the artist's footsteps.

A Rocky Mountain city provides a happy ending for a pinto pony and his Brobdingnagian red chair.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

A small horde of mythical creatures lurk almost imperceptibly within the museum's wildlife dioramas.

This historic Boston building has gone from personal estate to porn theater and back again.

This bronze sculpture was inspired by a photograph of Martin Luther King Jr. and his wife embracing after he won the Nobel Peace Prize.

The massive machine creates cracking displays of indoor lightning.

This piece of peacetime naval wreckage memorializes the tragic sinking of the USS Maine--an event which sparked the Spanish-American war.

Dedicated to "the father of U.S. life insurance."

A collection of 20th-century automata, penny arcade games, and musical contraptions.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

The miraculous hydrant that saved the Mission District in 1906.

The oldest burial ground in the city, final resting place of city founders, Ohlone natives and murderers alike.

A tribute to the artist and activist who created the rainbow pride flag.

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.

A four paneled, brightly multicolored mosaic adorns the side of this popular grocery store.

The oldest dim sum restaurant in the United States is a nostalgic jewel.