This 19th century mansion façade adorned with immigrant patriotism is a symbol of Louisville’s history.

Elvis's own personal tropical hideaway.

The hotel where Martin Luther King Jr. was shot is now a museum dedicated to his work.

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

The sculpture's largest spire points directly toward the North Star.

This black shoreline is made up of exploded lava particles.

Hide from the tourist hordes in these relatively unknown, and unguarded lava caves.

An underground city of salt.

Though many were skeptical at first, these animal-specific routes across the Trans-Canada Highway have been a major conservation success.

Crouch down, stretch tall, and be sure to flail your legs to pay homage to the Monty Python classic.

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

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

Uh, pardon me, ma'am, but I couldn't help noticing that there's a Columbo statue in the middle of Budapest.

This easily overlooked memorial immortalizes the scars from the 1956 Hungarian Revolution.

This building has survived for more than a century and remains virtually untouched.

A statue in Budapest's Liberty Square honors the former U.S. president's efforts to end the Cold War.

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

A random tree outside a Budapest hotel has become a DIY shrine to the late singer.

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

On Gellért Hill, this statue depicts the tragic tale of lovers divided by the Danube.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This legendary city has been a tourist attraction for centuries.

The ruins of a megalithic monument sit right in the garden of a luxurious Maltese resort.

This prison on the Maltese island of Gozo is almost 500 years old, and they have the graffiti to prove it.