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

The middle finger of modernity.

The world's longest known cave system.

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

The rocks in this arid basin leave trails of movement behind them.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

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

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

Robots, lasers, and whoopee cushions, oh my!

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

Eighteen miniature death-scene dioramas.

Elvis's own personal tropical hideaway.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

A walk through the historic city center, under the streets of Seattle.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

Preserving the remains of Native American cultures which otherwise would have been submerged behind Hoover Dam.

Secret refuge and museum of the Duke of Florence.

A science teacher's dream.

This beautifully deceptive waterfall is something far different from what it appears to be.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

Macabre astrological automaton clock dating to the late 1400s.