Sintra, Portugal
Quinta da Regaleira
This eccentrically decorated palace is replete with grottoes, fountains, tunnels, and caves.
Places AllisonEng Wants to Go
3
Places I want to go
Places on this traveler's wishlist.
Antarctica
Blood Falls
Natural time capsule containing an alien ecosystem.
Brooklyn, New York
Atlantic Avenue Tunnel
In the middle of downtown Brooklyn lies a 165 year old secret hidden right below the surface (closed to the public indefinitely).
