One of the world's heaviest musical instruments towers within a popular urban park.

A memorial in the Tiergarten is a reminder of the suffering inflicted on homosexuals by the Nazi regime.

This whimsical group of statues is a favorite of children who love to climb all over Lewis Carroll's beloved characters.

This historic address is home to the beloved ball and is an almost totally empty building among the most expensive real estate in the world.

The first piece of public art dedicated to LGBT rights.

One of the city’s oldest watering holes was originally the home of a famous James Brown (not that one).

The home of the first American-born saint is one of the only curved buildings in New York.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Try not to get slimed in Tribeca.

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

This immigrant bridge once spanned the Thames but is now a fixture of an Arizona city.

This medieval castle is filled with an eccentric collection that ranges from ancient Egyptian artifacts to taxidermy to a mummified hand that was cut off during a duel.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

The world's largest collection of witchcraft regalia.

The bizarre headgear looks like it was made for a fool, not a king.

One of three sites in England that house the National Collection of Arms and Armour.

This commercial and retail center was crafted from walled military barracks.

A striking 500-year-old mansion provides an unexpectedly sublime home for live deer and a menagerie of exotic stuffed animals.

A monument to the three wars that led to German unification towers within a Berlin traffic circle.

An imperial church bombed to ruins during WWII now stands as a jagged memorial.

The largest oak in England is said to have been the hideout of Robin Hood and his Merry Men.

This massive memorial commemorates those who died in the Manchester Arena bombing.