A former electrical substation is now home to an eccentric junk art masterpiece.

Turning night into day in Victorian-era Austin to thwart a serial killer.

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

One part antique store, one part curiosities hodge-podge.

A small island hides in plain sight on Austin's Lady Bird Lake.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

A favorite haunt of dinosaur loving children and hallucinogen loving hippies alike.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

The remains of a ruined mansion memorialize the 1906 earthquake.

A statue in the Texas town that proudly calls itself the killer bee capital of the world.

This museum tells the story of lake dwellers from 4000 BC to 850 BC, replete with stilt houses and goats.

An ancient monastery, a locked room, and a mysterious book heist.

The great Danube river starts here.

The unusually large seat sits atop the base of a ruined temple.

A fearsome dragon clings to a corner of Munich's city hall.

A small square plaque marks a failed assassination attempt that could have changed history.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

A forgotten graveyard lost in the tangles of an overgrown garden.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

Museum dedicated to the terror regimes of Hungary.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

There has been an astronomical clock on this spot since the 14th century.

Three connected pink triangles memorialize persecuted gays and lesbians throughout history.

The hidden lair of an alchemist rediscovered in a 2002 flood.