The site of a mysterious pony massacre is rich with extraterrestrial conspiracy theories.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

A rare view of a preserved Victorian science museum.

Site of the greatest known waterfall that ever existed.

Garden dedicated to native carnivorous plants and site of huge flytrap heist.

Half of a waterfall goes into the river while the other half seems to disappear.

This institution collects the history of burlesque dancing with a titillating collection of ephemera and pasties.

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

100 massive sculptures in the Hudson River Valley.

Church organ in the Philippines constructed out of bamboo.

One of the world's most definitive collections of musical instruments, spanning all cultures and historical periods.

Resonating tubes make music from highway overpass.

The Mighty Wurlitzer organ continues to belt out the tunes at downtown El Segundo's historic home for silent and classic movies.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The only fixed chain and post trail in Scotland snakes its way along the base of a towering seaside cliff.

An eccentric inventor's castle home with its own indoor weather system.

The highest point in the state of New Hampshire, and while unlikely "the worst weather in the world," it sure seems that way to hikers.

One man's vast collection of artifacts and ephemera from matchbooks and postcards to vintage neon signs and cars.

Where beautiful signs live on forever.

A program of Communist glamour in post-Stalin Poland is preserved in this colorful museum.

A one-of-a-kind collection of a unique medium.

Despite its name, this route in southern Utah offers a heavenly day trip.

The haunted reputation of these abandoned Colorado train tunnels is probably not helped by the terrifying spiked fence.

A winding, cliffside stretch of road overlooking the Delaware River.