The pockmarks across the building's facade are remnants of the Blitz.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This once-controversial and slightly confusing statue of Achilles was built out of captured cannons.

This ancient Egyptian obelisk still bears the wounds of World War I.

The lead horse on a Disneyland merry-go-round that is older than the park itself.

The oldest attraction in Disneyland is a prehistoric stump that Walt may have bought for his wife.

Inspiration struck on this seat outside the Griffith Park merry-go-round.

The oldest operational cathedral in the U.S. has one shell of a way of projecting speakers' voices.

Taxidermied cartoon heads, unseen illustrations, and famous characters all reside in this small gallery space.

This cathedral dedicated to Louis IX, sainted King of France, holds many secrets.

A homage to the King at the hotel where he revived his career.

The Denver airport is guarded by a 32-foot-tall sculpture of a demonic horse.

Overlooking the Colorado Convention Center is this giant sculpture made from thousands of triangles.

This extravagant Art Nouveau rest stop features a million-dollar view of the Columbia River.

The filming location of a shark attack in Steven Spielberg’s famous shark movie.

A flamboyantly decorated bridge signals diversity and fellowship at the entry to Indianapolis' Broad Ripple Village.

Tucked away in the Tower of London is the weapon once used to execute high-profile prisoners.

Never actually a tree at all, this spot was the site of London's public hangings for nearly 600 years.

These official units of measurement—including chains and perches—lie hidden beneath tourists' feet in a popular London hub.

The fierce beast perches atop a pedestal marking where the historic City of London gates once stood.

The watery entrance for condemned prisoners heading to the Tower of London is still visible along the Thames.

Richard III supposedly disposed of his nephews' bodies here in an effort to seal his claim to the throne.

19th-century scientists would make the pilgrimage here to verify the precision of their measuring sticks.

Six ravens are kept captive (but well-fed) at the Tower of London to prevent the fall of the Crown.