This Budapest bar allows drinkers to leave their mark on the walls, floor, and even ceiling.

This off-beat, quirky communism-themed bar isn't afraid to poke fun at its history.

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

Sofia's legislative center is continuously reinventing itself.

"Holy Wisdom" overlooks the city that became its namesake.

An Art Nouveau gem hides beneath the layers of city grime obscuring this once-magnificent building.

The legendary luxury train passage is commemorated with a charming museum inside its former eastern terminus.

The maze-like transportation hub contains abandoned areas, derelict stores, and a resident bat colony.

This probably wasn't what Mao had in mind.

The embalmed remains of the communist leader lie within a custom crystal coffin.

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

The floor of this spectacular Baroque sanctuary is covered in memento mori.

Visit a replica of the estate where Aaron Burr allegedly plotted a treasonous scheme against the United States.

Herbert Hoover's "Brown House" rural presidential retreat was a PR disaster amid the start of the Great Depression.

A museum at a Chinese university is the first of its kind in the country.

Dozens of striking Indian symbols cover the second-floor hallways of this rural courthouse.

A wall within the institution displays the names of 13,000 Jews who took refuge in the city during World War II.

This spectacular public market has got meat, fish, vegetables, baked goods, and enough kielbasa for a lifetime.

When the town wouldn't allow the fast-food behemoth to build a new restaurant, they put one inside an 1850 home.

These light, hollow rolls have been linked to Acadia National Park since the 1890s.

This landmark is a central figure in the Nez Perce origin story.

One of the biggest markets in Asia, under one of the continent's largest domes.

Originally a meeting place for foreign correspondents and war reporters, the FCC remains an atmospheric spot for sunset drinks in Phnom Penh.

Bombed and burned, this monument represents the often controversial ties between Vietnam and Cambodia.