Pennsylvania’s creepiest roadside attraction is a haunting example of roadside kitsch.

Wandering this ancient burial place offers a glimpse of the afterlife in the fresco-adorned tombs of an ancient Etruscan civilization.

A reproduction of a giant humanoid "fossil," a hoax buried locally for construction crews to find and gain national attention.

Five painted skeletons are hiding behind a church in this tiny village in the Italian Alps.

Natural cathedral designed by Italian artist Giuliano Mauri.

What is it about mushrooms that makes people wish they lived inside of them?

One man's ambition created this psychedelic log home.

This unusually shaped mountaintop tower looks like a UFO floating over the city.

Named after the German word for "a longingness to travel," this park brings together thousands of city and street signs from around the world.

Most often copied TV Tower in the world.

A memorial commemorating the only Scottish police investigation into an extraterrestrial incident.

Guitar made of trees, dedicated to a man's lost love.

This spherical sculpture has also been dubbed "the steel orange" due to its likeness to a massive, sliced piece of citrus.

This abstract sculpture once had a twin in Prague.

This little brick tunnel built by Confederate forces was used to conduct surprise attacks on the railroad.

A park full of outsider art, created by college students studying outsider art.

Metal water storage tank turned ethereal concert hall.

A mythically themed self-built sculpture park.

This whimsical stacked cabin looks like something out of a children's book.

A wonderfully versatile natural history curio cabinet preserved since the 1840s.

A futuristic climate change study is nestled deep within this public land.

The former broadcast site has been reimagined as a museum about the medium.

A psychedelic tribute to one of Georgia's most unique artistic visionaries, out of place and time in the heart of Atlanta.

This futuristic folk sculpture park sits along a peaceful stretch of rural North Carolina roadway.