This restored house is like a time capsule of the president's unconventional inauguration.

The site of William McKinley's tragic assassination is only marked by an underwhelming boulder.

This private island is still in the family after a 400-year history including a witch hunt and a pirate.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

A total of 14 men held the title of "president" before George Washington—their historical legacies are enshrined in the lobby of a hotel.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This picturesque archeological site looks like it was pulled straight from a fantasy novel.

A remarkably well preserved tower dating all the way back to the Iron Age.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

This hidden library of physiological ephemera contains centuries worth of knowledge on the vim and viscera of the human body.

Inside this old mill is a collection of images that will always remain frozen in time.

The final resting place of more than 200,000 people, this is one of the largest cemeteries in Europe.

What might be the oldest living tree in London has survived fires, bombings, and estate agents.

This picturesque cottage was the site of Ulysses S. Grant’s final and perhaps most important campaign.

When the imprisoned pope's remains were finally returned to the Vatican, his heart stayed behind in France.

Hundreds of hidden passageways weave through the old quarters of Lyon.

A quaint medieval harbour where Benjamin Franklin landed in 1776.

The mummified heart of Louis XVII, the lost dauphin of the French Revolution.

The oldest continuously operating mint in the world that has been making coins since the 9th-century.

A short distance from the Eiffel Tower is the final resting place of several of the city’s more well-known and interesting characters.

A simple plaque on the facade is the only reminder that the treaty ending the American Revolution was signed inside.

One of the oldest masonic museums in Paris.