Tour the dark and beloved poet's former cobwebbed basement, which may have inspired "The Black Cat."

A layered tribute to the work of mosaicist Isaiah Zagar.

An abandoned cemetery lies in ruins as the surrounding forest swallows it whole.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

Every year, the colorful murals of Montreal get a complete makeover.

From lefty Jewish gathering site to hip cultural site in just 80 years.

Futuristic apartment blocks are the backdrop for Montreal surfers hangin' ten on the Habitat '67 standing wave.

City law dictates that this mountaintop cathedral containing the heart of a saint is to remain the tallest building in town.

A historic Montreal market that was the city's agricultural hub for over century.

The biggest museum dedicated to insects in North America, one of the largest in the world.

Canada's largest graveyard boasts a lot of noteworthy artifacts as well as its own computerized mapping service.

The haunting "Hell House Altar" is one of the few remnants of an abandoned college that has been a magnet for local legends.

These layered sandstone mountains in China look like they are made of pressed crayons.

This vertical pinnacle in China was the inspiration for the floating mountains in the movie “Avatar.”

A magical sinkhole on the Yucatán Peninsula is adorned with mini waterfalls and hanging vines.

Raging waters have created a strange geological site that looks like something off of a progressive rock album cover.

Rare recess caves fill this unbelievably beautiful Ohio park.

The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

A lush indoor jungle fills this bustling Madrid transportation hub.

One of the oldest living oak trees in the Southeast.

Constant erosion has created a surreal landscape of bleached and preserved fallen trees.

Carved faces add a touch of magic to this island's impressive oak trees.

The only working large-scale tea plantation in the United States.

4,000 monkeys used for medical testing on an island off of South Carolina.