This arch granting triumphal entrance into Antalya was designed to honor the emperor's visit.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

The last moments of the ill-fated Pompeiians, frozen forever in plaster.

Ancient snack bar of the Roman Empire re-opened.

Erotic art covers the walls of the largest ancient pleasure palace.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

This shining multicolored metro station deep under Naples is said to be the most beautiful in Europe.

A man throwing a giant severed hand towers over Antwerp’s main square.

This historical Netherlands fortress still bears the marks of its single siege.

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

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

Burial grounds for more than 1,000 bodies deep under the modern town of Rabat.

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

This unique building in the main square stands out among the city's typically Baroque architecture.

This church is named for one of the most dramatic tales in the early Christian church.

According to a local legend, this old castle could only be built after a woman was immured in the walls.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

Europe's oldest still-operational tea farm also boasts a spectacular view.

This abandoned five-star hotel is now a five-star urban exploration destination.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

This unique architectural wonder is also tied to one of the 20th-century's most renowned writers.

This little-known national museum houses over 40,000 works of art from across the world.

Elaborately carved to showcase the glorious wealth that the age of exploration brought to the Portuguese empire.