A museum dedicated to a Cold War era sausage.

An overlooked and unassuming engineering marvel.

Exact replica of the ancient monument, but much, much lighter.

A subterranean playground in an abandoned slate mine.

A large instrument played by the wind.

Megachurch turned Catholic church comprised of 10,000 glass panes.

A living archive of urban activism and space reclaimed.

Arrr! The most authentic collection of pirate artifacts in the world... matey.

Berlin's natural history museum houses the world's largest mounted dinosaur and the late beloved polar bear Knut.

A mining town once rife with murderous disputes over its copious treasures now creates income as a popular spot for photo shoots.

You might know it as the Overlook Hotel, but the inside is not going to be familiar.

A hidden subterranean installation offers a view of the sky.

If drivers cross the rumble strip on this stretch of Route 66 at just the right speed it plays "America the Beautiful."

A short hike into the mountainside forest reveals a decaying 1890s town.

This grand mansion has starred in everything from Bones to Buffy.

Dyed by iron oxide over centuries, these sandstone rocks rise thousands of feet into the sky.

A French chateau, failed utopian community, odd museum, and Stonehenge replica in rural Washington State.

This family mausoleum is steeped in symbolism and looks more like a fantasy location than a grave.

Travelers exchange letters with woodland creatures at this mini post office.

Big gun installations, built over a massive cemetery, now abandoned & hidden in trees.

The site of murders and Satanic cult gatherings.

These millipedes glow not out of attraction, but as a not-too-subtle warning.

A tiny theater hidden in an alley plays a constant stream of short silent films for anyone willing to peer through the peephole.

Visible below the waves are memorials to the city's Gold Rush dead.