The scene of the United Kingdom's most famous UFO incident, dubbed the "British Roswell."

One of the few surviving examples of the first lock and dam system built on the Ohio River.

This spectacular track has run continuously since 1882.

This unreal Portuguese palace looks as though it's made from a pile of different castles.

Ring the bell to enter a bar that looks equal parts museum and old curiosity shop.

The world's oldest bookshop still in operation.

This Industrial Age architectural and engineering gem helps visitors and residents alike traverse Lisbon, “The City of Seven Hills.”

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

This abandoned fishing settlement may well be the greenest village in the world.

Shipwrecks, ruins, and turtles are all that remain on this haunting Caribbean ghost island.

An abandoned vacation home spent a decade taking on legends. It's now taking on water.

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

Once swallowed by flood waters, this village has emerged as an eerie shadow of its former self.

An abandoned saucer-shaped monument in the Bulgarian mountains.

Nine of the very few concrete ships ever made in the U.S. are beautifully decaying off a Virginia pier.

Odd outsider art installations surround a Gold Rush-era ghost town.

An abandoned desert hamlet swallowed up by sand.

An abandoned outdoor movie theater in the Sinai desert.

A massive forgotten storehouse from 1913 on the Brooklyn Waterfront has a spectacular view of Brooklyn.

Sniff the Titan Arum's rotting flesh.

Come for the pastrami, stay for the million-dollar art.

This small New York museum examines Chinese history from its origins right up to its arrival in the city.

Love, knishes, and best wishes from this legendary Lower East Side bakery.