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

An abandoned asylum incorporated into a college campus.

The only remnant of a small mining town is an abandoned railroad tunnel that is steeped in ghostly lore.

The inventor of a number of hybrid corn species is immortalized with a field of giant corn.

Built in 1512, the oldest cathedral in the Americas.

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

An island in the middle of a lake, in the middle of a volcano, in the middle of a bigger lake, in the middle of a bigger island, in an archipelago, in the Pacific Ocean.

A toxic ghost town sitting atop a massive coal fire.

"Where the ducks walk on fish."

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

One man's real life disfigurement inspired a lasting local legend surrounding an eerie tunnel.

The largest university building in the West is a gothic masterpiece containing dozens of theme rooms based on different countries.

The only castle in North America to ever house European sovereigns.

An island filled with hundreds of hanging, decomposing, decapitated dolls.