Final resting place of one of the classic authors of horror literature.

Last residence of H.P. Lovecraft featured in his story "The Haunter of the Dark."

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

A work of art that pays homage to a Victorian timepiece in Providence.

A no-frills, DIY nature preserve manned by a U.S. expat who has dedicated his life to turtle conservation.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

Dine inside a giant caterpillar at this community-run eatery.

Sloth rehabilitation center in the jungle of Costa Rica.

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

Once the foundation for a mansion, these ruins now offer amazing panoramic coastal views.

This Costa Rican topiary park is a surreal garden of unearthly delights.

Where dogs like the rare "Fire-Tailed Border Cocker" run free on the mountainside.

The sister plane of the C-123 shot down during the Iran-Contra Affair has found a new purpose in retirement.

An anonymous art project beneath Longfellow Bridge where hundreds of trophies line the steel support beams.

Friction between grains of sand cause a curious "singing" sound.

An 80-year-old house built out of newspapers.

Expertly restored pinball machines as far as the eye can see.

This humble resting place belongs to one of history's most celebrated restaurateurs.

The childhood home of the meat inspector who would become the face of America.

A strange, heartwarming, decades-old declaration of love on a New Hampshire roadside.

The New England cabin where an infamous British occultist conducted experiments in "magick".

Ruins of the elaborate house where the enigmatic costume designer threw glamorous parties for New York's theatrical elite.

This candy-colored storybook village originated as a 19th-century Methodist campground.

Once a kitschy symbol for a gift shop, this 38-foot seahorse is now a staple roadside attraction.