Both funky and traditional, it's the oldest of its kind in Indiana.

This lava formation earned its whimsical name from the log-like formation of it stones.

A dazzling display of red rocks weathered into spires and hoodoos.

These headstones and a few stone foundations are all that remain of a once-booming mining town.

The remains of this early 20th century refinery loom on a mountainside like a graffiti-covered fortress.

This lonely gas station has stood at this location since 1917.

A slab of sandstone covered with mysterious 1,000-year-old rock carvings from a vanished North American culture.

A scenic ravine with an astounding collection of rock art created by the Indigenous people of the Great Plains.

Mysterious ancient petroglyphs carved on a glacial boulder at the tip of Bainbridge Island.

Graffiti-covered ruins that were once part of a farm owned by a mental hospital.

Abandoned in 2009, this once popular resort destination now stands frozen in time.

The whimsical steel spider lurking in the shadows of this suspension bridge shows that engineers can have a sense of humor.

Henry VIII's forgotten castle was built by the gunpowder-obsessed king to be defended solely by cannons.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

An Oxford museum where visitors can have tea with the Mad Hatter and climb through the wardrobe to a fantasy land.

This Norman castle was once the site of a Victorian-era prison, and now exists as a luxury hotel.

This former maximum-security prison is creepy, sobering, and supposedly haunted.

Bigfoot prints, Feejee mermaids, and haunted dolls on display in a tiny North Carolina town.

This 6th-century church honors St. Tudno, the patron saint of Llandudno.

An unexpectedly extraterrestrial room in a former Victorian resort club.

The world's largest prehistoric copper mine had 30,000 animal bones scattered throughout the maze of passageways.

This castle once belonged to one of the most prominent families of medieval Carrickfergus.

This ancient castle has been abandoned since the Edwardian conquest of Wales.

A breathtaking flower tunnel bursts with beautiful golden blossoms.