A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

Designed as a reminder of one of the darkest moments in Austrian history.

A series of bronze circus performers spread throughout a Slovakian shopping center.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

No one knows the origin of this creepy little stone man with an oversized phallus.

The inverted pyramid design of this station stands out amid Bratislava's urban landscape.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

A much-loved sculpture depicting the hero of a 1956 anti-Soviet uprising.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

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

Colorful murals by Jean Cocteau hide within this peaceful London sanctuary.

A living memorial to the trees London lost during the Great Storm of 1987.

After nearly 60 years, there's still a bear at Paddington Station looking for help.

Originally meant to hold a statue of King William IV, this support sat empty for years. Today, it hosts a rotating cast of public artwork.

Installed at a chaotic intersection, this gave London traffic cops a place to hang their heavy woolen coats.

An easily overlooked stretch of ornate window fronts and gaslight lamps that could be right from the pages of Dickens.

A charming 17th-century alley is lined with secondhand bookstores and antiquarian shops.

On this headland lies a 19th-century lighthouse and historic gun battery.

A 16th-century artillery fort built to protect England against European invasion.

At high tide, the base of the lighthouse covers practically every inch of the island.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.