Numerous impressive carvings are embedded in the trees lining this street in Marrakech.

The oldest monument in Marrakesh and the city's only surviving example of Almoravid architecture.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

An architectural marvel built by a nearly forgotten Canadian Quaker sect, the Children of Peace.

Legacy of the earthquake that nearly wiped Lisbon off the face of the Earth.

The medieval home is still engraved with the symbol of the profession, an eye flanked by two axes.

This almost-forgotten underground dungeon housed several convicts over the years, including Caravaggio.

Overshadowed by other, more famous Maltese catacombs, this ancient burial chamber has one of the best examples of a ritual agape table.

The Jesus tree of Malta bears a striking resemblance to Christ on the cross.

Residents of Berlin take their coffee and cake in one of the city’s most restful spaces: a cemetery.

Fall down the rabbit hole into a surreal journey of human consciousness "from ass to soul."

The bunker where Hitler took his own life is hidden under this deliberately ordinary parking lot.

One of the world's heaviest musical instruments towers within a popular urban park.

This water-tower-turned-high-end-apartment building was once the site of an early Nazi concentration camp.

Beneath the impressive baroque cathedral that rises from the center of Berlin lies the largest collection of Prussian royals in the world.

This Berlin island is home to a flock of free-roaming peacocks, as well as a historic ivory folly.

An eerie, derelict amusement park in Berlin.

A portable, wooden replica (minus the hyphen) of Hamburg’s iconic crooked coffee shop.