This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

Apartment complexes built into huge repurposed natural gas tanks.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

The country's oldest continually-operated mini golf course lies hidden in plain sight, eclipsed by one of D.C.'s most popular tourist attractions.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

The first purpose-built art gallery in the United States is once again open as a center of craft arts.

Fittingly, America's museum of architecture is itself a magnificently designed old building.

Enormous piles of historically significant stones, dumped by Congress in a forest, and abandoned for 60 years.

During the Industrial Revolution this “Temple of Invention” was full of intricate miniature machines and gadgets.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

Long-abandoned trolley tunnels just a mile away from the White House are turning into an art space.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Remnants of the Nazis' occupation of Denmark linger along the sand.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

A toxic ghost town sitting atop a massive coal fire.

A 16th-century horror show built in a lovely Italian garden.

Constructed in the 1920s, this former pencil factory is now an office building.

The world’s largest collection of Tiffany glass sits in a warehouse in Queens.

A crumbling hospital from the 1850s on Roosevelt Island.

During an annual Catholic feast in this tiny Spanish village, men dressed as devils leap over rows of babies to cleanse them of sin.

During this Shetland Islands celebration, hundreds of torch-carrying "guizers" lead a procession to burn a viking longboat.

Unlike other abandoned asylums this empty institution welcomes visitors, just don't go in the buildings.

The cave where two British judges hid in exile after sentencing the king to death.