A memorial for a young woman and her ghost, which are claimed to have caused countless deathly shipwrecks.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

This fountain of a little boy that spits on passersby at erratic intervals is a town icon.

Every half hour the eye-rolling clock face sticks out its tongue to mock the good citizens of Koblenz.

This headstone marks the grave of an 11-year-old boy killed during clashes in the streets over the boycotting of British goods.

A centuries-old church stands as a testament to Boston's "father of architecture."

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

Take an otherworldly journey in a school dedicated to out-of-body experiences.

This kitschy tavern is also home to rare early editions of "Treasure Island."

There must be a pun in this haystack somewhere...

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

A bit of retro transportation flair preserved in the world's largest department store.

Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

This bridge was constructed from the rubble of the infamous Bastille.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

Those with a sharp eye can find the hidden image of a German Shepherd on the memorial's Mural Wall.

The national park was once a plantation estate.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

A three-story tower of books about Abraham Lincoln is one of the more unusual monuments to the president.

Clap your hands at the base of the pyramid, and the song of a sacred Mayan bird will echo through the air.

The second-largest gold nugget in existence, displayed in a Las Vegas casino conveniently named the Golden Nugget.

It took 82 years and four different plaques to finally get the story right.

A little marble compass above George Washington's (empty) tomb in the Capitol marks where D.C.'s four quadrants intersect.