Madly in love:
"Head over ____"
heels
This home of the Rockettes is known as the "Showplace of the Nation"
Radio City Music Hall
Sharwa is a more accurate pronunciation as well as another name for this Himalayan people
Sherpa
Tomahawk,
hatchet
Axe (Ax)
Moscow has been called "The Forty Forties" referring to the estimated 1,600 of these, many with golden domes
churches
Ironically:
"____ in cheek"
Tongue
A frieze called "The Triumph of Arts & Letters" adorns this Royal London venue
Royal Albert Hall
Descendants of these Dutch settlers of the Transvaal are often called Afrikaners
The Boer
Cutlass,
falchion
sword
Hyderabad, India is known as the "City of" these marine gemstones
pearls
Laugh uncontrollably:
"Bust a ____"
gut
Geological beauty makes up this outdoor venue in Colorado.
Red Rocks Colorado 
Geronimo was a leader of these Native American people.
The Sioux
Compound,
recurve
bow
The resilient Porto, Portugal is called the "Cidade Invicta", or this city
Invincible
Inseparable or "joined at the ____"
hip
Early in his career, Elton John performed at this legendary L.A. club whose name is a synonym for a lyric poet
The Troubador
Northern Norway, Sweden & Finland are home to these people also known as the Lapp
Sami
Bolt action; AR, also called modern sporting
Rifle
The nickname "The Tiger City" for this 4-letter capital may date back to a poem by Bjørnstjerne Bjørnson
Oslo
To be personally vested:
"Have ____ in the game"
skin
his cafe in a Nashville strip mall is famous for hosting an open mic night on Mondays
The Bluebird Cafe
The governments of Kenya & Tanzania are trying to persuade these nomadic people to make permanent settlements
Masai
Cudgel
club
This southern-hemisphere city is often called The Emerald City.
Sydney