The gilded, masterful astronomical clock will calculate time, dates, and planetary positions for thousands of years to come.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

Beneath Denmark's Højbro bridge, a bronze merman and his seven sons forever mourn for the mother and wife who left them for land.

Pre-Nazi swastikas adorn the sculpted pachyderms flanking this brewhouse portal.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

Copenhagen's celebrated theme park and gardens.

When it came to designing his own small office building, the eccentric architect wasn't afraid to show the world what he could do.

Hidden in a grotto 26 feet below Nottingham's oldest hotel, this stylish subterranean drinking den is notoriously hard to find.

The oldest inn in England served brew to the crusaders.

The London pub overlooks where the Mayflower was moored before setting sail for the New World.

Locals call it the "Give Peas a Chance" bridge because of its distinct graffiti.

A unique tribute to the millions of animals who served and died for the British military.

The world's first purpose-built motor racetrack was destroyed by the outbreak of two world wars.

The London statue that imitates passersby.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

This South London cemetery holds the remains of more than 15,000 people.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

The longest and tallest aqueduct in Britain can actually be sailed across.

A 26-foot shark sculpture—a statement about bombs—set off a municipal battle royale.

An abandoned tank sits in an empty London lot as a symbolic middle finger to local city planners.

A closed London rail station created to cart away the dead still bears the marks of attempts to make it less morbid.

Public access to clean drinking water was an instant hit among the masses.

A sculpture outside London's oldest cathedral honors the Mohegan chief who died while petitioning the king.

A famous burial ground with a history both grim and literary.