The only depiction of Abraham Lincoln holding a weapon, and the names of all 9,000 Cuyahoga veterans of the Civil War.

Funded by John D. Rockefeller, this is one of the earliest, and most beautiful, shopping arcades in America.

A dazzling display of lights and crystals.

This extraordinary Depression-era expenditure was modeled after a postcard of a Mediterranean hotel.

This limestone cave offers an incredible view of the Río Grande de Arecibo valley.

This bleach-white graveyard overlooking the ocean is accessed through a tunnel.

Take shelter from Hawai'i's tropical heat under the massive canopy of largest Banyan tree on the island.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

Send a postcard while vacationing with Satan.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

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

Portugal's National Pantheon has a history of curses, collapses and financial problems.

An exquisite collection of fairytale conveyances that puts most car museums to shame.

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

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.

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

A dark patch of the ceiling at Grand Central Terminal which was not restored is still stained brown by tobacco.

A charming "tea atelier" hidden away in Greenpoint, Brooklyn.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

A very classy 1920s-era bar right in Grand Central Station.

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

Elevated freight railway turned wildly successful urban park.

Amid the bustle and noise of the Financial District hides a secluded garden oasis above the city streets.

One critic described it as "middle Mussolini, early Ramses, and late Neiman-Marcus." Another called it an architectural "natural disaster."