A cozy bookstore and coffee shop in the heart of Cartagena's Old City.

The colonial city's social history is reflected in its fanciful door knockers.

Former hotel turned into haunted playground.

The remains of a bustling turn-of-the-century park built to showcase the wonders of electricity.

This long unused shot tower on the Mississippi remains a point of pride for a small city in Iowa.

For just a few bucks, this Iowa funicular will let you feel like an 1800s fat cat.

A remote hill on a stretch of country road where the laws of physics are defied... or so it seems.

A mini Wrigley Field for mini baseball players.

What may be America's largest classic video game arcade lurks inconspicuously in a Chicago suburb.

This elaborate Hindu temple is located in a Chicago suburb, but looks like it was transported directly from India.

The former home is said to be haunted by the ghosts of the beloved mayor and his wife who lived here.

Former self-sufficient mental institution now a planned community.

Unique Michigan homes look like something out of Tolkien's "The Lord of the Rings."

Legs Inn provides Polish food, a cornucopia of Odawa artwork, wood carvings, and mounted deer heads.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

Island where motor vehicles are banned -- home to the only carless highway in the United States.

Strange physical sensations and optical contradictions keep visitors coming back for more.

This freshwater spring fills with 10,000 gallons of water per minute.

Almost half-way between the Equator and North Pole.

A lovely hidden waterfall right off the highway is well worth a stop.

Paranormal activity on the great lakes.

A metal ring in the middle of the road marks the exact spot where the Soviet satellite crash-landed in 1962.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

Recognized the world over as the home of the McCallisters in the 1990 movie "Home Alone."