The walkable ruins of an 19th century hotel, destroyed in a horse cremation gone wrong.

Built by the inventor of the radio, this abandoned hotel has housed early radio employees, military men, and a dangerous cult.

The once-grand remains of this resort are slowly turning into the strange ruins of the future.

An abandoned Art Deco hotel nestled on the side of a wooded mountain.

An abandoned hotel in the highlands of Bali is shrouded in stories of ghosts, curses, and corruption.

This abandoned Victorian-style house was built in 1884.

Dinosaurs, magic, and wonder are hidden amid the forests of Allaire State Park.

Once a beautiful palace, this structure is now known as the ''museum of destruction."

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

Described by William Wordsworth as a "World of Wonder."

This "cursed house" features secret rooms, hidden vaults, and dark escape tunnels.

This botanical garden boasts sculptures, industrial ruins, and an endorsement from the Dalai Lama.

These unique stepping stones hug a river's edge to take hikers on a journey through a limestone gorge.

This small patch of land is the final resting for these communication relics of the past.

Tucked away in the forests of Indiana resides an abandoned waterslide that is now a popular graffiti haunt.

The longest manmade tunnel in Queensland is now a beautiful trail, home to a special colony of bent-wing bats.

This giant wooden treehouse within a sprawling garden has its own eatery.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This hidden green space is the city's second largest conservatory.

A Victorian natural history and ethnographic museum with wonderful turn-of-the-century, science-book-esque evolution displays.

Legends of treasure and spirits flow from this this fairy tale-like oasis.

One of Mexico's rare urban natural parks features waterfalls and a working fish farm.

A mysterious tunnel hidden in the shadows of a colorful, historic sanctuary.