This historic system is the zero level benchmark for measuring the depths and altitudes of the Baltic.

This column celebrates Rome's victory over the Goths, and may be the oldest Roman monument in Istanbul.

This remarkably well-preserved Egyptian plinth is pretty well traveled for a giant piece of stone.

This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This cuddly rodent has a place of honor at a Russian institute for genetic research.

The Nazis lost more men trying to take this Russian-held Stalingrad apartment block than they did when taking Paris.

The world's tallest statue of a woman wields the world's tallest sword and is at risk of toppling over.

A monument to the defenders of the Arctic in Murmansk, Russia.

A castle perched precariously over the Crimean Sea.

This magnificent Crimean estate was once a playground of the Russian elite.

One of the windiest peaks in Crimea is home to an incredible set of cable bridges.

In the land of the Light Brigade stands a testament to the Cold War.

The longest trolleybus route in the world, from Simferopol and Yalta.

The decaying remains of a once-luxurious Soviet spa town.

A fountain filled with golden statues, celebrating the the ancient kingdom of Colchis.

The reason for the strange contortions in the trunks of these "drunken" pine trees in Russia is still a mystery.

These tiny cabins on a cableway have been carrying visitors at a Baltic resort down to the beach since 1912.

This 19th-century tea factory turned hotel showcases restored machinery from the era.

Only the foundation remains of the rest stop building that was hit by three large tsunami waves, killing 47 visitors.

This elaborate temple was built around one of the Buddha's teeth.

This ancient cave temple complex is the largest and best-preserved temple complex in Sri Lanka.

An ancient stone fortress considered by many to be the eighth wonder of the world.

A secluded, little-known temple hidden amid the dense jungle.

Though it was originally dedicated to the Hindu god Shiva, Baphuon was converted to a Buddhist temple in the 15th century, complete with a massive hidden statue.