Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

Lady Liberty's first beacon of enlightenment is now displayed in a museum near the statue.

In its day this historic fort held 100 cannons pointed in almost every direction to protect New York.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

A tiny Greek Orthodox church from the Ottoman era hides on a busy city street.

A forgotten remnant of the Soviet Union, Transnistria is an unrecognized country hidden behind a heavily militarized border between Moldova and Ukraine.

This abandoned Soviet circus is slowly being restored to its Communist-era glory.

There is a mouldering Jewish cemetery hidden away in the capital of Moldova.

Plaques celebrating Lithuanian writers freckle a wall of this picture-perfect path.

This micro-nation may be some sort of prank, but its constitution sure seems official.

With a design inspired by traditional Latvian textiles, this monument honors the Latvian people who suffered under Soviet occupation.

This park built on a former fortress has a reputation for romance.

An empty relic of the Moscow Olympics crumbles away in Estonia's capital.

This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

The world's first purpose-built indoor shopping mall opened in Sweden in 1955.

This functioning parish church is also the site of many concert performances due to its wonderful acoustics.

The rusted hull of a WWII German destroyer pokes above the surface in a Norwegian fjord.

This memorial to a murdered empress took 20 years to design, then spent 30 years hidden away in storage.

A statue commemorating a Polish dog who took his role as man's best friend very seriously.

This street has over a half-dozen names, all at once.

This walkway is so narrow it needs its own light to stop pedestrian traffic jams.

When the rain falls, this drain system turns into a musical instrument.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.