amph i thea tre.
The Colosseum is an ancient amphitheatre in Rome.
No, "amphitheatre" should not be capitalized unless it is part of a proper noun or the first word in a sentence.
International Amphitheatre was created in 1934.
International Amphitheatre ended in 1999.
Gibson Amphitheatre was created in 1972.
Mesa Amphitheatre was created in 1979.
Bowery Amphitheatre was created in 1833.
Bowery Amphitheatre ended in 1866.
Pacific Amphitheatre was created in 1983.
Starwood Amphitheatre ended in 2007.
Starwood Amphitheatre was created in 1985.