An enormous and lavish Gothic church in Czechia.

Be(w)ar(e) the moat around this historic Czech castle.

A church of bones, decorated with 40,000 human skeletons.

Moss and stone turn this waterfall into an otherworldly liquid veil.

Cars mysteriously roll uphill on this street.

Legend has it that not even Stalin could pull down the 2015 European Tree of the Year.

This soviet pilot's graveyard is filled with headstones made of airplane fins.

This Soviet-era "closed town" was a top secret uranium producer often left off of maps.

This peculiar border irregularity is the only way to legally enter Russia without a visa.

Once standing on solid ground, this slender beacon is a victim of the very shoreline it was charged with announcing.

A trio of giant wooden megaphones turn up nature's volume in this Estonian forest.

Mysterious craters may have been home to an ancient cult.

The ruins of an Estonian prison are drowning in the quarry lake where the convicts were once forced to work.

An ancient capital city that dates back 3,000 years and harbors many surprises.

Gladiators battle and chariots race daily in the ruins of a once-great Roman city.

The most gigantic, swoony, intimidating trio of fingers in all of antiquity.

A black cat protests the City Guild in Riga's Old Town.

A stone marker and sculpture in the city of Riga stake a claim for the very first community Christmas tree.

Medical museum that houses most notably the taxidermied remains of Vladimir Demikhov's famous two-headed dog experiment.

3,000 market stands in five former Zeppelin hangars.

Flamboyant architecture from the turn of 20th century.

A former Latvian headquarters of the brutal KGB secret police is now open as a grim reminder of their atrocities.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

These crudely shaped folk giants may be the the second most photographed statues in the U.S.