These large-scale reproductions of Mario Sanchez’s colorful pictures and murals feel like a walk around a small movie set, and also lead you down an imaginary “street” of past decades.

Near the ruins of a Civil War coastal fortress lies the only known African refugee cemetery in the United States.

"We Seceded Where Others Failed."

A small poultry graveyard in the courtyard of a popular Key West watering hole.

Florida's oldest bar was once a morgue, complete with a hanging tree and gravestones.

This national landmark is also home to a massive treehouse.

Constrained by time and topography, this civil engineering landmark was constructed 100 feet above Starrucca Creek over the course of a single year.

This wildlife refuge is home to more than 200 species of birds, as well as monkeys, lizards, and other wildlife.

The same water that fills a luxury resort’s pools feeds these free hot springs in the rainforest.

The translucent turquoise hue of these natural swimming pools comes from a high concentration of minerals.

In Costa Rica's cloud forest, the roots of a woody ficus create a botanical bridge.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

This statue of the famed author, actor, and journalist is made entirely of screw-nuts.

The second-largest Jewish temple in Bulgaria was deserted after World War II, seized by the communist government and then abandoned again.

Dine on Hungarian-Jewish dishes at this multigenerational, family-run institution.

Hungarian Jews were ghettoized during the Second World War, but little remains of the original wall that closed the Jewish people off from the rest of the city.

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

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

A two-way chairlift system between Zugliget and the highest point in the city.

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

A 19th century artistocrat's mansion, turned into a library, hidden in a modern library.

A series of caves under Castle Hill that once held the prisoner Vlad Tepes, better known as Count Dracula.

A secluded, little-known temple hidden amid the dense jungle.

This once-derelict building is now one of the most beautiful bookstores in the world.