The fossilized remains of ancient California redwoods.

This eagle-topped spire remembers the military commander who snatched up California for the United States.

The oldest U.S. Government building in California, and it's State Historic Landmark #1.

One of the most elaborate displays of Jellyfish is on display at the aquarium.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Macabre astrological automaton clock dating to the late 1400s.

Legends surround an ancient tree trunk riddled with nails for good luck.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

A giant portrait of an ancient king looms over the river.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

A small self-proclaimed micro-state located on a piece of disputed territory between Croatia and Serbia, near Liberland.

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Once an opulent Art Nouveau hotspot, the Constanța Casino is one of Romania's most beautiful abandoned buildings.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

A family agreed to sell their property to Disney on the condition that this tree, planted as a wedding gift, would not be removed.

This unassuming cheese empire in rural Oregon churns out more than 150,000 pounds of cheese each day.

A relic of World War I that now exist as a piece of public art.

A diminutive statue that was inspired by the sculptor's own daughter.

From cartoon characters to tiny tanks, a guerilla sculptor's little bronze statues are hidden throughout the city of Budapest.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.