This elaborate towering structure was once famed for its revolutionary height.

A vista of the city and sea from atop the little-known viewing deck on an unassuming Columbus statue.

Five candy-colored villages on the Italian Riviera.

A bright little alley in La Boca is a part of tango history.

A medieval replica of King Arthur's legendary table, the Round Table hanging in Winchester Castle was decorated by Henry VIII.

The corpse bride of Portugal.

The remains of Crystal Palace Great Exhibition of 1851.

A hugely vast Irish landscape of barren rock that stretches for miles.

A crumbling hospital from the 1850s on Roosevelt Island.

Stay in a room with a view... of the bottom of the ocean.

Designed by Buckminster Fuller, this relic of the 67 Expo survived fire and ice.

This former theme park in New York's Adirondack Mountains fell into ruin before being resurrected as a state-run campground

Mysterious 500-year-old tapestries depict a unicorn hunt.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

Ride the subways of yesteryear.

The world's largest military aircraft cemetery.

An old saloon in the West filled with history, and according to some, a few dozen ghosts.

What happens when a sculptor has to find a way around a 100-year-old copyright.

One small town in the Pacific Northwest transformed itself into a Bavarian-themed tourist destination.

A museum dedicated to the history and exploration of both popular music and science fiction.

A walk through the historic city center, under the streets of Seattle.

This expansive bridge in the Canadian wilderness was originally just built for friends.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

A painting in the historic Cathedral Basilica depicts Jesus and his disciples dining on a traditional Peruvian menu.