This massive monument was unveiled the day Kosovo declared independence from Serbia.

A 11-foot former president stands on a Kosovo street that also bears his name.

A futuristic, brutalist masterpiece that is also strangely prison-like.

This small bronze pyramid marks the center of Belgrade, but some say it is a Masonic symbol.

A towering spire in the fortress of Kalemegdan honors the victorious armies of Serbia during their struggles against the Ottoman Empire.

A Serbian church lit by chandeliers made of weapons.

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

Louise Bourgeois' 30-foot-tall steel spider sculpture.

Soaring over the Niagara Whirlpool since 1916.

A botanically themed auditorium blooms within the world’s last operating double-decker theater.

These clocks tell time in a theological sense.

Valletta’s outdoor theatre stands within the ruins of a 19th-century opera house.

A centuries-old forgotten underworld lies beneath Malta.

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

This clifftop arch is a natural stunner.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

Two stone columns flank the grand Venice square, but there were supposed to be three.

An extensive collection of reliquaries containing the bones of saints housed in the largest Catholic church in Venice.

A gorgeous example of 13th-century Gothic architecture.

These elaborate gothic monuments honor Verona's medieval lords.

A whale rib was used to advertise the store by the arch that offered exotic goods from far away.

Pilgrimage site for star-crossed lovers.

Go inside to really appreciate this 500-year-old technological masterpiece.

This community on a small Venetian island has taken to painting their houses in bright neon hues.