
Cyathea arborea, Caribbean tree fern, palmilla, helecho gigante, Adjuntas, Puerto Rico by Oquendo

The Arecibo Radio Telescope by josefrancisco.salgado

Going Back to Nature. Pellejas River, Adjuntas, Puerto Rico by Oquendo

Cueva Ventana by darthdowney
![Under the main reflector [6021] by josefrancisco.salgado, Nikon D3s + Sigma 8mm F3.5 EX DG | Arecibo Observatory, Puerto Rico, 15 Nov 2010
© 2010 Jos&eac](https://live.staticflickr.com/5252/5399309714_cd302c1694.jpg)
Under the main reflector [6021] by josefrancisco.salgado

Google Earth Adjuntas Puerto Rico by Oquendo

Pellejas Adjuntas Puerto Rico by Oquendo

Forest Top by NASA Goddard Space Flight Center

Power Windows by Eric E. Fernández

Google Earth Adjuntas Puerto Rico by Oquendo

Forest top by NASA Goddard Space Flight Center

Delicias by Alexis Ant0nio

Pellejas Adjuntas Puerto Rico by Oquendo

Arecibo Observatory by Chuck - PhotosbyMCH.com

A window to the world - Cueva Ventana by Radu Micu

Adjuntas, Puerto Rico 219 by Oquendo

Cueva Ventana by dittoheadadt

Cueva Ventana by dittoheadadt

AO: cable car | catwalk by josefrancisco.salgado

12-m antenna, AO by josefrancisco.salgado

North View from the AO platform by josefrancisco.salgado

Light at the edge by Eric E. Fernández

Cueva Ventana by GOJR.

Southeast view from the AO platform by josefrancisco.salgado

Arecibo Reflector Dish by woofiegrrl

almost there... by JavierVazquez

caonillas utuado puerto rico by juan0571

IMG_1927-Edit-2 by Eric E. Fernández

IMG_1063-Edit by Eric E. Fernández

LIDAR by sondy

Lago Dos Bocas by juan0571

Utuado,Adjuntas carretera #123 Puerto Rico by davidburgos1657

IMG_4647-Edit by Eric E. Fernández

Cueva Ventana by JavierVazquez

Spring Water by viviandnguyen_

Cueva Del Arco by Eric E. Fernández

The Delightful by Eric E. Fernández

Cueva Del Arco by Eric E. Fernández

Cueva Ventana, Arecibo, Puerto Rico by Matthew Simoneau

Adapt & Overcome by Eric E. Fernández

Cueva Ventana by dittoheadadt

Rio La Venta by Eric E. Fernández

IMG_3685-Edit by Eric E. Fernández

IMG_4091-Edit by Eric E. Fernández

"Las nubes grises también forman parte del paisaje" by Eric E. Fernández

Arecibo by WileyCox

When The Cloud Fall by Eric E. Fernández

View from Restaurant by woofiegrrl

Cueva Ventana by osoroco

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Arecibo_2 by Prutchi

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Cueva Ventana by O'Bydalej

Arecibo_8_BW by Prutchi

Arecibo_5 by Prutchi