The final resting place of Christopher Columbus - or possibly someone else.

The first hospital in the New World.

Hundreds of pieces of ancient Taíno art cover the walls of this Caribbean cave system.

This trio of Dominican cave lakes comprise a colorful biosphere of natural life.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

Five sultans and their families rest in eternal splendor, teeming with overlooked beauty and drama.

1513 Turkish world map, full of European state secrets and snarky commentary.

A devastated ruin in the south of Belize where British explorers claimed to unearth the Mitchell-Hedges Crystal Skull.

A real flying saucer, contracted by the U.S. Air Force.

The world's first aircraft factory has been hiding inside an automobile plant for almost 80 years.

The largest ancient burial mound in Ohio.

A castle built by an eccentric medieval enthusiast in rural Ohio.

An abandoned munitions factory with a shot tower continues to wage war on the surrounding environment.

Deep scars on the earth left by the Ice Age.

These beautiful wineries were at the center of Lake Erie's "grape belt" back when the Midwest dominated American wine production.

The world's tallest doric column is this Ohio monument to a naval victory in the War of 1812.

Take a drunken tour inside the world's largest known geode.

This tower-tomb honors a president who only held office for a little over a month but dedicated his life to his country.

After a water tower painting was accused of being an ad, a simple fix was made that gave the city a motto.

A museum that houses the world's largest collection of ventriloquism dummies.

At Macon’s oldest cemetery two members of Allman Brothers are buried side by side.

The house that Southern rock built now stands as a monument to one of the genre's favorite families.

An obsolete, vanishing traffic device warns Cincinnati drivers away from middle-of-the-road obstructions.

This magnificent Cincinnati graveyard is also a popular public park.