If you're going to go down the rabbit hole, you might as well do it in style. These tunnels from around the world look exactly like the sorts of places that would lead you to the lands beyond our ken.
The Light Tunnel at Detroit Metropolitan County Airport, Romulus, Michigan
Light patterns along the tunnel are choreographed with music.
The Yew Tunnel, planted during the 18th century by the Dyer family in Llangathen, Carmarthenshire, UK
Lærdal Tunnel, the longest road tunnel (15.23 mi or 24.5 km) in the world, connecting Lærdal and Aurland, Norway, opened in 2000
The tunnel is going as much as 4,920 ft (1,500 m) under the mountains and decorated with special light effects.
Bund Sightseeing Tunnel, under the Huangpu River in Shanghai, China, opened in 2000
The Tunnel of Love, Klevan, Ukraine(via English Russia)
The 0.86 mi (1.2 km) long Guoliang Tunnel Road in Henan Province, China, carved between 1972 and 1977 by the inhabitants of a small village named Guoliang, to make the place more easily accessible.