This Australian beach became famous when Prime Minister Harold Holt disappeared from its shores.

Megachurch turned Catholic church comprised of 10,000 glass panes.

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

This sculpture marks the spot where one of the greatest Roman rulers was proclaimed emperor.

At Ramahyuck, the Gunaikurnai people were forced to trade their freedom and culture for protection. Today, a cemetery is all that remains of the site.

Known as the "Kissing Bridge" for its privacy, it also happens to be the last covered bridge in Ontario.

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

These wire animal sculptures commemorate the exotic inhabitants that once called the Tower of London home.

Also known as Rye Castle, this 13th-century fortification later became a prison and held one of Rye's most famous criminals.

This library dates back to the late 17th century and was one of the first public lending libraries in England.

This incredible viaduct was part of the Victorian railway boom and helped the Midland Railway navigate tough terrain.

The oldest continuously occupied public building in the United States.

The plaques around this 19th-century structure recall some rather strange tales.

This centuries-old hotel hides a network of secret cellars and passages once used by smugglers.

One of the last remaining covered bridges in the province of Ontario.

The giant birds honor two native North American species.

The city’s oldest gateway to the galaxy lies at the entrance to the Royal Botanical Gardens.

These giant grain silo portraits capture elements of rural life in Australia.

The bronze uniforms commemorate the vital role of women during World War II.

This ancient Egyptian obelisk still bears the wounds of World War I.

This slice of 1960s Danish modernism does not conform to the Oxford college stereotypes.

Dedicated to the history of the 1,000 nuclear missiles that once covered the Great Plains.

Looking strangely like Rome's Colosseum, this unfinished tower has dominated the skyline for over 100 years.

The pockmarks across the building's facade are remnants of the Blitz.