Louise Bourgeois' 30-foot-tall steel spider sculpture.

The mastermind behind this palatial hotel perished on the Titanic weeks before its grand opening.

The ruins of a resort and casino sit on the banks of this blue hole spring that pumps 70,000 gallons of warm, clear water every minute.

A group of college students hauled a desk up a mountain more than 40 years ago. The notebooks inside have become a makeshift time capsule.

This lookout tower built in the 1930s is now an in-demand cabin with what might be the best view of the Seneca State Forest.

A 17th-century bezoar, dirt from an infamous site, and other curios decorate this unusual bar.

Turns out you can see the world without ever leaving Maine.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

This quirky museum has a collection of more than 15,000 bobblehead dolls.

If it wasn’t for a real estate agent with a penchant for old-school arcades, this hands-on collection of nostalgic flipper machines might never exist.

No one really knows how these old hobby horses got here, but the herd keeps growing.

While exploring the desert, you can stop by the home of a fictional heretic from a parallel universe.

A massive Montreal stadium that has seen nothing but trouble since its inception.

Denmark’s never-ending bridge.

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

This narrow canyon has been carved by the river over thousands of years into spectacular and curious forms.

A cable-suspension footbridge that hangs high above the Mill River.

A 60-foot-tall tower provides unparalleled views of the southern Green Mountains.

An artist sees trees as a medium for sculpture.

Inside this community-run museum, visitors are treated to the history of toys and games.

Dozens of playful sculptures blanket these 200 rolling acres of farmland in an ode to art and landscape.

Dispersed across 45-acres, 39 structures house a massive collection celebrating American Folk Art.

A small chapel celebrating the spiritual bond between dogs and humans.

Scary metal statues adorn some of the signature buildings of Burlington, VT.