Hollywood's most famous landmark, the "temporary" sign that has stood for decades longer than intended.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

This print shop boasts one of the largest pinball arcades in San Francisco.

Inside an old airplane hangar, friends and strangers alike play on a massive trampoline.

Bring your own cardboard to the slippery slopes of concrete hidden in a neighborhood park.

A limestone wonderland of water and subterranean secrets.

Ethiopia's "smoking mountain" is in one of the hottest regions on the planet and is home to two lava lakes.

This mesmerizingly colorful pond looks like a scene straight out of a fairytale.

A floating cat sanctuary on an Amsterdam canal.

This annual Belgian water race attracts bathtub captains from all over the world.

The tiny Belgian town's ancient version of Mardi Gras involves eerie wax masks, sticks for warding off evil, and ostrich plume hats.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

Annual street carnival celebrating Indonesian heritage.

Think you have a tough job? Try carrying 200 kilos through a cloud of sulfur down the side of a volcano.

Three wildly colorful calderas top this otherworldly volcano chain.

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

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

Hidden deep within a Filipino jungle is an incredible waterfall that plunges into a dazzling blue-green pool.

The abandoned medieval theme park was meant to be the "Disneyland of the Philippines."

A magically clear, blue river that seems to spring from nowhere.

Known as the "Valley of the Moon," this Jordanian wadi is one of the most amazing desertscapes on Earth.

This cascade of mineral-rich hot springs and waterfalls is an oasis in the Jordanian desert.

An ancient capital city that dates back 3,000 years old and harbors many surprises.

You may recognize this beautiful grove within Kaitoke Regional Park as location of the house of Elrond.