This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

This small fort played a huge role defending Puerto Rico’s capital city.

The crumbling remnants of this 19th-century quarantine hospital hint at the touristy island's darker past.

Built for the 1962 World Cup, this fully functioning botanical clock is still ticking.

What was once a unique system of urban elevators is turning into a mechanical ruin.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

L. Frank Baum wrote part of the "Wizard of Oz" series in this wooden Victorian beach resort.

Legend has it the commander of the defenders drew a fateful line in the dirt with his sword just before the final battle.

An ivy-covered arch bridge dedicated to Tejano music singer and legend Rosita Fernandez.

The mansion-like building is packed with Texas pride.

This historic hotel on Bathhouse Row in Hot Springs National Park has a storied history of gangsters and baseball greats.

Kentucky's longest operating jail is now a spooky spot to spend the night.

An unusual, super-sized grocery adventure awaits in an Ohio suburb.

This stately clubhouse has showcased German-American culture for over a century.

This Indianapolis landmark offers a secret panoramic view of the city. 

At the top of the hour, this steam-powered clock's eight brass whistles play "Back Home Again in Indiana."

One of the few authentic Japanese gardens in the state of Indiana and perhaps the most peaceful place in the city of Mishawaka.

The first artificial white water river course in North America cuts right through an Indiana city.

This museum collects over a century of automobile history including the iconic car from The Muppet Movie.

This otherworldly church spire reaches up toward the heavens.

Four, 18-foot-tall badminton shuttlecocks lie scattered about the lawn of a Kansas City museum.

The first car-centric shopping plaza in the U.S. brought a little bit of Spain to downtown Kansas City.

A beloved, quirky little fountain featuring a large frog spitting water at a naked boy.

This Kansas City studio was home to Walt Disney's first animation business.