"There's nothing there," and other lies the KGB told us.

Disused seaplane hangar gets a second life as the jaw-dropping home of Estonia's museum of maritime history.

A former imperial sea-fortress and Soviet prison.

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

Established in 1638 to battle the Black Death, Hortus Botanicus Amsterdam is a treasure trove of rare flora.

This picturesque ghost town is located on the banks of the Suwannee River.

Built to hold the worst of the worst of the Nazi war prisoners.

Thanks to both terrific preservation and historic vandalism this ancient site is known as the "Heart of Neolithic Orkney."

Collection of nearly 500 concrete figures sculpted by the late Veijo Rönkkönen.

Legend has this precariously placed rock was placed by giants. Science has another explanation.

This dizzying tower was built to better broadcast the 1980 Moscow Olympics.

A decommissioned submarine base makes a great space for graffiti art.

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

A collection of collections ranging from dentistry to minerals.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

Villas that once served as playgrounds for the rich now fall away in decay.

A giant gorilla made of used car tires used to sit sentinel over a Helsinki college campus.