Something's watching you.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The third-largest island in Canada is one of the remotest places on Earth.

The world's northernmost flowers cling tenuously to life on desolate Kaffeklubben Island.

Strange physical sensations and optical contradictions keep visitors coming back for more.

This lone tree and dramatic sandstone outcropping are so beloved by Michiganders they can be found on one of the state’s coins.

The honor of highest point in Michigan was almost given to the wrong peak before this mountain won out by 11 inches.

A 100-year-old chair with joints "cemented by nature."

The remains of a enormous earthen figure of unknown origins cuts across a rural Wisconsin road.

This 23-foot-tall bear stands amid the hustle and bustle of Hamad International Airport.

This oddly named town refuses to change its phallic moniker.

This Balinese sea temple is thought to be guarded by the hundreds of monkeys that live around it.

Once home to Komodo dragons, this island dreamscape has a rare combination of white, pink, and black sand beaches.

A sprawling nature preserve harbors the world's only living dragons.

Bali's remote "gateway to heaven" is one of the most sacred places on the island.

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

A sealed test tube said to hold Thomas Edison's dying breath was given to the inventor's friend and mentee, Henry Ford.

An abandoned Victorian-era amusement park is rusting away amidst luxury houses.

This freshwater spring fills with 10,000 gallons of water per minute.

Every winter, the wind carves blocks of frozen water into beautiful abstract shapes inside this unusually curved tunnel.

Largest outdoor staircase in the United States.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This stunning mass of ice spans 121 square miles and is still growing.

This Peruvian bone silo lined with hanging human skeletons and hundreds of skulls is topped with a remarkable Michelangelo replica.