This elaborate towering structure was once famed for its revolutionary height.

The first American department store, and home to the largest operating musical instrument in the world.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

This beloved marketplace mascot poops money and grants good luck.

This small-town Connecticut restaurant gives each diner a free book from its vast library.

A beautiful Victorian-era cemetery, complete with a miniature village.

Friction between grains of sand cause a curious "singing" sound.

This Gothic castle was inspired by Erik the Red's Viking residence at Brattahlid in Greenland.

Macabre headstones carved with winged skulls, dancing skeletons, and pithy reminders of impending death.

One of the oldest used bookstores in the U.S. has been selling antiquarian treasures since 1825.

Millions of numbers carved in glass represent the tattoos forced upon victims.

The Boston square dedicated to the dark poet who was born nearby.

This 1967 experiment in modular architecture was designed to be a new model for urban living.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

A Montreal deli that was so beloved that it was allowed to circumvent their laws of language.

Every year, the colorful murals of Montreal get a complete makeover.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

A contemporary fresco movement illustrates the region's rich history.

This steep cable railway has been hoisting passengers in the heart of Québec City for over a century.

This lovely, if imposing, piece of Canadian gothic is possibly the most photographed hotel in the world.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.