This groundbreaking 16th-century map is known as "America's birth certificate."

These early tent-shaped grave coverings are unique to Appalachia.

This small Arkansas town once had a close encounter with the Beatles, and are determined never to let anyone forget that. Ever.

At this cemetery, artists are invited to design their own gravestones.

Organisms normally seen under a microscope decorate this church.

A whimsical roadside community of little metal people.

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

On a trail in Portugal's Barão de São João National Forest, a pile of faces look up at hikers from the forest floor.

Where you can experience the story of Appalachia, as told by Appalachians.

Outsider Art Community.

See six states, pickled freaks, rocks, and antiques.

Museum dedicated to awful artwork.

A Danish fisherman spent 25 years covering nearly every inch of his home with tens of thousands of shells as a gift to his wife.

A sculptor's dream castle turned fantastical ruin.

A piece of outsider public art accompanied by a strange urban legend.

Veritable museum of 20th century country music history.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.

This set of rickety spaceships are prepared to give alien travelers a place to relax and go to the bathroom.

This abandoned cemetery has a dark past of bodies buried over bodies.

This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

This vast kitty-themed collection illustrates the history of human-cat interaction.

Together they left this world, and together they shall remain for all eternity.

Visitors to this arboretum are greeted by three smiling giants crafted from sustainable materials.

This German bone house contains the remains of some 20,000 souls.