This stoic, if derpy, giant stands as a monument to Oregon's statehood and the novelty culture of yesteryear.

A giant donut stands as a popular symbol of Los Angeles iconography.

Originally built as a promotional giveaway, this suburban house was designed to be an IRL version of the Simpson home.

This golf ball–shaped former desert real estate office now houses a UFO museum.

This whimsical stacked cabin looks like something out of a children's book.

The site of Paul Revere's historic two lantern warning.

Twelve grave-faced marble angels guard the emperor's tomb at Les Invalides.

Despite a legend that says this highest peak in Oregon was climbed in high heels scores of people have died on its slopes.

This strange hill on Old Fort Road where gravity works in reverse has been fascinating locals for years.

This Memphis recording studio launched the careers of Jerry Lee Lewis, Johnny Cash, and Elvis Presley.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

This elaborately decorated, fairytale-like Romanian royal palace is one of the most striking castles in Europe.

A white oak with property rights.

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

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Gleaming self-built castle towers made from beer cans and inspired by "Vitamin Mary Jane."

A house of courtship where the Jazz Age's most storied lovers got their start.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

One of Savannah's oldest and most haunted cemeteries, featuring graves desecrated by Sherman's Union Army.

Earth's tallest volcano is sacred to Native Hawaiians, and home to a dozen world-class observatories.

The most famous location in China was home to whole dynasties worth of imperial rulers.

The topiary maze at the Habsburg hunting lodge.

Some of the tallest ancient American ruins continue to inspire awe and curiosity.