A giant concrete orb in far north Iceland marks the ever-shifting boundary.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

The Icelandic Sea Monster Museum explores the area's history of aquatic cryptid sightings.

This modern monument to pagan belief looks like it was transported straight from ancient times.

The only surviving prototype for Buckminster Fuller's house of the future.

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

The remains of an abandoned dinosaur theme park litter the woods just off the highway.

An artsy hidden staircase leads to breathtaking views of San Francisco.

A huge musical instrument played by the ocean.

The site of a 19th century "dream city" that almost rivaled Chicago before being swallowed by the Indiana sand dunes.

A humble homemade ride attracts visitors from around the globe to this small Midwestern town.

Patrick Dougherty's fantastic living tree sculptures, mind-blowing but temporary.

The Fun Farm weaves fairy tales, myths, and magic into a magnificent collection for visitors to explore.

Indiana's oldest sternwheel paddleboat has been plying the placid waters of Webster Lake for 90 years.

This bridge was constructed from the remains of the first Ferris wheel.

In an alley not far from where two great highways meet, byways of a very different sort are honored.

An unknown number of cholera victims are buried in two nondescript graves.

This old steel industry company town has a tradition of parking cars on the sidewalk so people can walk in the narrow streets.

One of the largest collections of merchandise from the famous British sci-fi show can be found smack in the middle of Indiana.

A collection of relics from the Spiritualist Camp Chesterfield.

Historians and hobbyists head to this former French outpost for the annual Feast of the Hunters' Moon.

A historic hotel library in Indiana hides more than a few secrets on its shelves.

A concrete block embedded with thousands of pulled teeth was created by a local dentist to memorialize his dog.

This multisensory alley has the ability to remind bustling citygoers to stop and smell the roses.