A winding district gerrymandered into the shape of a mantis.

This bug-eyed water wheel uses the power of the Sun to clean up Baltimore Harbor.

Public opinion is still divided on this enormous sculpture in front of Baltimore's Penn Station.

Baltimore's classic clock tower was once topped by a rotating, 20-ton medicine bottle.

Once America's tallest structure, now a Baltimore landmark.

A monumental statue of RCA's mascot now sits atop a historical society roof after a life of moving around.

The design of this historic domed church was influenced by Thomas Jefferson and intended as a statement of religious freedom.

It's not hard to see why the historic Peabody Conservatory of Music's library has been described as a "cathedral of books."

Hear the quietest sound from across the dome.

An unusual round church in London with a Templar past.

Eighty million natural history specimens call this gargantuan museum home.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

Commemorating the spot where the famous scientist fed his pigeons.

A three-story copper skybridge connects two Manhattan buildings with Art Deco luxury.