One of the obelisks still remains and is the oldest standing obelisk in Egypt. Known as the Unfinished Obelisk, it provides evidence of how obelisks were quarried. An obelisk and bronze Masonic plaque decorate his tomb at the Hermitage. The largest obelisk successfully erected in ancient times weighed . A large Portland stone obelisk commemorates Frederick Gustavus Burnaby. In 1881, the current marble obelisk was erected in their honor. A small stone obelisk, the Jefferson Pier, replaced the marker in 1804. These include the Dutch Admiralty, Creaking Pagoda, Chesme Column, Kagul Obelisk, and Marble Bridge. A tall, white stone obelisk commemorates General Thomas and his family. The obelisk and Maderno's fountain mark the widest axis of the ellipse. Slightly northwest of the Civil War obelisk is Old Capitol Historical Marker. Both the obelisk and pillar were hollow within which a railway spiraled up. Its gnomon was an obelisk from Heliopolis. Many people thought a simple obelisk, one without the colonnade, would be too bare. The crucifixion took place near an ancient Egyptian obelisk in the Circus of Nero.