America's post-nuclear-attack chambers of Congress.

Beyond the usual stories that attend old prisons, this one has deep bloody undercurrents.

The "mysteries" of this quintessential roadside oddity were almost destroyed by neglect but were saved by fans of kitschy wonder.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.

A particularly creepy abandoned hospital that sparks interest for lovers of the supernatural.

The largest collection of historic military firearms in the United States.

Life-size bronzes of the Grinch, Cat in the Hat, Yertle the Turtle, Sam-I-Am, and the Lorax—and the author himself.

A museum dedicated to the quirky and colorful world created by Springfield's favorite son.

A lovely aquatic park built by a one-armed Civil War veteran who made a fortune from lotuses.

Unconventional site where the tracks of Zurich tramcars intersect.

This eclectic architectural gem played witness to Zurich’s colonial past.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

See the rare bloom of the "Queen of the Night" cactus at one of the world's largest succulent collections.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

A small but immensely extravagant palace built by the "Night King."

The fairy tale castle of the "fairy-tale king."

In one of the world's smallest countries, a royal's personal winery is open to the public.

Baroque celebration of the end of the Great Plague of Vienna.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

The topiary maze at the Habsburg hunting lodge.

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.