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

A daily replay of the experiment that proved the rotation of the Earth.

Yo, Adrian!

The world's third-largest crystal sphere has sat in the Penn Museum since 1927 with the exception of one outlandish theft.

These medicine cabinet staples are part of the museum's collection of everyday objects.

Home to items never before seen by the public.

An astounding collection of medical specimens, including bits of President Lincoln.

This distinctive Crescent City tradition dates back to the days of horse-drawn carriages.

A small park on Bourbon Street features life-size bronze statues of New Orleans musicians.

Formerly known as National D-Day Museum, this collection commemorates the battles of Normandy and WWII.

A 200-year-old building in the French Quarter that was to be Napoleon's home in the New World.

By day this New Orleans square is for pedestrians, but by night it is a kingdom of kittens.

In 2010, Nicolas Cage purchased two plots in this cemetery using one to construct this strange pyramid mausoleum.

This symbolic piece of New Orleans architecture is also home to a few ghastly stories.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

The final resting place of New Orleans' most famous voodoo priestess.

Every equinox this Maya pyramid puts on a spooky ancient light show.

No telescopes, no power, no gift shop: The Observatory of Chichen Itza, one of the world's oldest observatories, takes astronomy back to basics.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

The highest bridge in America was built for an almost unnervingly small amount of money.

Strange red rock formations that have been attributed to a higher power for hundreds of years.

This advertisement for talcum powder was painted on the rock face and has since defied removal.

Time travel with sweets across history at this research-based candy store.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.