Sights similar to Củ Chi tunnels

The tunnels of Củ Chi are an immense network of connecting u

Stumphouse Mountain Tunnel in Oconee County, South Carolina is an

The Greenwich Foot Tunnel crosses beneath the River Thames in East

Seikan Tunnel（Ja:青函トンネル）is a railway tunnel in Japan. It connects Hok

The Maastunnel is a tunnel in Rotterdam, the Netherlands, connecting

The Tunnel of Eupalinos or Eupalinian aqueduct (Modern Greek:

Lefortovo tunnel (Russian: Лефо́ртовский тоннель) is a road tunnel in

The Holland Tunnel is a highway tunnel under the Hudson River

The Malpas tunnel was excavated in 1679 under the hill d'Ensérune in

Woolwich gångtunnel är en tunnel i östra London för fotgängare unde

Her Majesty's Royal Palace and Fortress, more commonly known as the

Rumelihisarı (Rumelian Castle) is a fortress located in Istanbul,

Kärnan (Swedish pronunciation: ]; Danish: Kernen, both literally

Omaha, commonly known as Omaha Beach, was the code name for one of the

Kolomna Kremlin is a very large fortress in Kolomna, Russia. The stone

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The island of Spinalonga (Greek: Σπιναλόγκα), officially known as

Tvrđava svetog Mihovila u Šibeniku (od 1990-ih) , razg. Tvrđava sv

The Three Castles of Bellinzona are a group of fortifications located

The Longues-sur-Mer battery was a World War II artillery battery

The Pucará de Tilcara is a pre-Inca fortification or pucará located o

Brest Fortress (Belarusian: Брэсцкая крэпасць, ISO 9: Brèsckaâ krèpas

Hanging bunker at Devil's slide is an abandoned military triangulation

Besançon is a city in France. It was the capital of the former Free

Located on a large rock on Warthe Hill, the role of the Black Tower of

Fort Scratchley was a coastal defence installation at Newcastle, New

The Alcazaba is a Moorish fortification in Málaga, southern Spain.

St. Nicholas Fortress (hrvatski. Tvrđava Sv. Nikole) is a fortress

Badaling (Шаблон:Zh) is the site of the most visited section of the G