One of the oldest and largest wooden churches in France was very evidently constructed by shipbuilders.

In 1927, a biplane disappeared while attempting to complete the first non-stop transatlantic flight between Paris and New York City. This memorial stands at the last place it was seen.

This former “ante-chamber to the guillotine” has been refurbished to illustrate the brutal history of French justice.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

A pair of 7-foot legs belonging to the military man of the Mayflower stand jauntily by the side of the road.

The remnants of an abandoned, 19th-century gold mill along Aruba's rugged northeastern coast.

Ethereal alien hums and haunting whale songs emitting from...a giant sheet of vibrating metal?

The grave of America's 11th president is not in some grand monument but instead it's hidden away on the grounds of the Tennessee Capital.

Outside the Department of Transportation, a collection of artifacts honors the history of how we get around.

A tribute to the pop culture icon overlooks this Washington D.C. intersection.

This statue of one of baseball’s greatest pitchers looks like something out of a sci-fi horror movie.

An unassuming, powerful monument north of the U.S. Capitol bears witness to the resilience of Japanese Americans during a time of grave injustice.

Go take a picture with the inventor of the daguerreotype photographic process.

A haunting tribute to pioneering photographer Clover Adams.

This lonely waterfront memorial to the men of the Titanic was erected by the "Women of America."

This defunct, fortress-like prison has been the setting for several movies.

A forgotten relic from New York's bygone trolley system hides in plain sight under a bridge.

This memorial honors thousands of enslaved Africans and their descendants who died in colonial New York.

A trove of century-old litho stones from the Puck Building's printing days were discovered behind a cellar wall, and are now hanging in the store.

The front yard of an Upper East Side town house hides the last fragment of one of New York's most famous theatres.

Rat sculptures try to infiltrate the Graybar Building in an architectural tribute to New York City's nautical history.

A modern frieze of ancient Grecian mythological figures playing a national pastime.

This beloved Baltimore spot features caged dolls, a giant Pez collection, and many, many mannequins.

Where America's first doomsday cult awaited the end of the world.