A popular place to pick up prehistoric coral fossils from the time when Michigan was an ocean.

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A crumbling cathedral condemned by an earthquake.

Golden Gate Park's historic collection of plants.

Relics of the 1894 Midwinter Exposition continue to delight visitors today.

The seawater playground of gilded-era San Francisco burned to the ground in 1966.

A walk-in working camera obscura produces 360-degree live images of the San Francisco coast.

A blooming house of worship for the masses.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

Three floors of musical instruments coming from all corners of the world and hundreds of years of musical history.

A little sculpture with a large wardrobe.

Amsterdam's Red Light District leaves little to the imagination.

The rose garden in Regent's Park where Pongo and Perdita met for the first time in Disney's "101 Dalmatians."

Bizarre Hindu and Buddhist sculpture park.

Vancouver's only resting place for the city's deceased.

A renegade art installation in a small Vancouver park is now officially sanctioned by the City Parks Department.

A pixel art killer whale is frozen mid-leap in this Vancouver square.

A working steam clock, one of only a few in the world, located in Vancouver's Victorian Gastown.

This working class sculpture pounds his hammer all the livelong day.

Curious cave that stays a cool 56 degrees all year long.

A towering tribute to decisiveness stands on the spot where Brigham Young and his followers decided that this must be the place.

Visitors to this library are in for a real-world education in modernist architecture.

Here lies Lilly E. Gray, an alleged "victim of the beast," but the reason long remained a mystery.

A hidden garden of stones engraved with scriptures, a Joseph Smith Sphinx, all carved by one man.