"A hideous albatross in the Hudson River Valley."

This mouldering abandoned mental hospital was once a center for progressive healing.

An eccentric priest's tribute to George Washington, this chapel tells the story of the American Revolution.

One of the largest wooden constructions in Europe was meant to be a casino, but soon became an orphanage.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Where commuters walk through remnants of an ancient Greek necropolis.

This once-grandiose behemoth of a monument from the socialist era now sits quiet and closed up.

The tiny church offers succor to travelers driving by, but only eight at a time.

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

10,000 flowered plants bloom in the City of Roses.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

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

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

The rotting skeleton of a shoreside fun fair that was destroyed by fire and storms still haunts the Brighton ocean view.

It was once the longest continuously running cinema in the United Kingdom.

An angular maze of concrete in Grand Rapids acts both as public art and as a staircase for fish traveling upstream.

One of the most scenic stretches of road in America winds between some of the country's oldest trees.

This little museum has an exhibit devoted to the elusive forest denizens.

This ultra-modern California span is actually a titanic solar clock in disguise built by famed architect Santiago Calatrava.

A collection of outdoor art by renowned muralist Robert Dafford depicts the history of a flooded city.

You have to love a museum with a truly dedicated focus. A focus on Superman, for example.