Romania's triumphal arch looks out over Bucharest.

Profile of a sleeping person 4km long in 250m high cliffs.

An eclectic art form practiced by untrained masters is celebrated at this museum in the heart of Zagreb's old Upper Town.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

A musical instrument played by the sea.

Bridge that died in war and was resurected.

A wunderkammer of gold and silver reliquaries and ancient saintly bones.

An ethereal glowing blue ocean cave in Croatia.

Formerly Yugoslavia's "forbidden island," this sleepy little city still holds the abandoned remains of military strongholds.

These former Cold War launch sites have been preserved for tourists to see where the button might have been pushed.

The remnants of an early American attempt at missile defense.

An experimental, automotive replica of Stonehenge.

A place where the laws of nature seem to have gone completely berserk... but of course haven't.

The granddaddy of all tourist traps, built on ice water, jackalopes, and a giant dinosaur.

The deserted railroad town had a last gasp as a ghost town attraction before being abandoned for good.

A fitting attraction for the corn capital of the world.

A roadside collection of over-sized iron creations that are a bit more macabre than most.

Tirelessly maintained by a Wisconsin man named JFK.

A mapping error in the 19th century made loggers think this section of the forest was underwater.

Minnesota's oldest and deepest mine is now an underground physics laboratory.

Half of a waterfall goes into the river while the other half seems to disappear.